[meta-oe,dunfell] meta-oe: Add leading whitespace for append operator

diff --git a/meta-oe/recipes-devtools/dnf-plugin-tui/dnf-plugin-tui_git.bb b/meta-oe/recipes-devtools/dnf-plugin-tui/dnf-plugin-tui_git.bb
index db7a8d7933..d1b7134b83 100644
--- a/meta-oe/recipes-devtools/dnf-plugin-tui/dnf-plugin-tui_git.bb
+++ b/meta-oe/recipes-devtools/dnf-plugin-tui/dnf-plugin-tui_git.bb
@@ -7,7 +7,7 @@  SRC_URI = "git://github.com/ubinux/dnf-plugin-tui.git;branch=master;protocol=htt
 SRCREV = "c5416adeb210154dc4ccc4c3e1c5297d83ebd41e"
 PV = "1.1"
 
-SRC_URI_append_class-target = "file://oe-remote.repo.sample"
+SRC_URI_append_class-target = " file://oe-remote.repo.sample"
 
 inherit distutils3-base
 
diff --git a/meta-oe/recipes-devtools/grpc/grpc_1.24.3.bb b/meta-oe/recipes-devtools/grpc/grpc_1.24.3.bb
index fa20941dfc..8a055412f2 100644
--- a/meta-oe/recipes-devtools/grpc/grpc_1.24.3.bb
+++ b/meta-oe/recipes-devtools/grpc/grpc_1.24.3.bb
@@ -63,6 +63,6 @@  do_configure_prepend_toolchain-clang_x86() {
 
 BBCLASSEXTEND = "native nativesdk"
 
-SYSROOT_DIRS_BLACKLIST_append_class-target = "${baselib}/cmake/grpc"
+SYSROOT_DIRS_BLACKLIST_append_class-target = " ${baselib}/cmake/grpc"
 
 FILES_${PN}-dev += "${bindir}"
diff --git a/meta-oe/recipes-devtools/lua/lua_5.3.6.bb b/meta-oe/recipes-devtools/lua/lua_5.3.6.bb
index 0137cc3c5b..d46d402aa3 100644
--- a/meta-oe/recipes-devtools/lua/lua_5.3.6.bb
+++ b/meta-oe/recipes-devtools/lua/lua_5.3.6.bb
@@ -32,7 +32,7 @@  PACKAGECONFIG ??= "readline"
 PACKAGECONFIG[readline] = ",,readline"
 
 UCLIBC_PATCHES += "file://uclibc-pthread.patch"
-SRC_URI_append_libc-uclibc = "${UCLIBC_PATCHES}"
+SRC_URI_append_libc-uclibc = " ${UCLIBC_PATCHES}"
 
 TARGET_CC_ARCH += " -fPIC ${LDFLAGS}"
 EXTRA_OEMAKE = "'CC=${CC} -fPIC' 'MYCFLAGS=${CFLAGS} -fPIC' MYLDFLAGS='${LDFLAGS}'"
diff --git a/meta-oe/recipes-extended/gnuplot/gnuplot_5.2.8.bb b/meta-oe/recipes-extended/gnuplot/gnuplot_5.2.8.bb
index 926d8851d2..b2c41756e5 100644
--- a/meta-oe/recipes-extended/gnuplot/gnuplot_5.2.8.bb
+++ b/meta-oe/recipes-extended/gnuplot/gnuplot_5.2.8.bb
@@ -32,7 +32,7 @@  BBCLASSEXTEND = "native"
 DEPENDS_class-native = "readline-native"
 PACKAGECONFIG_class-native = ""
 
-SRC_URI_append_class-native = "file://0001-reduce-build-to-conversion-tools-for-native-build.patch"
+SRC_URI_append_class-native = " file://0001-reduce-build-to-conversion-tools-for-native-build.patch"
 
 do_install_class-native() {
     install -d ${D}${bindir}
diff --git a/meta-oe/recipes-extended/libstatgrab/libstatgrab_0.92.bb b/meta-oe/recipes-extended/libstatgrab/libstatgrab_0.92.bb
index a081cb17a8..27fe0e2c40 100644
--- a/meta-oe/recipes-extended/libstatgrab/libstatgrab_0.92.bb
+++ b/meta-oe/recipes-extended/libstatgrab/libstatgrab_0.92.bb
@@ -31,4 +31,4 @@  FILES_statgrab-dbg = "${bindir}/.debug/statgrab"
 FILES_saidar = "${bindir}/saidar"
 FILES_saidar-dbg = "${bindir}/.debug/saidar"
 FILES_${PN}-mrtg = "${bindir}/statgrab-make-mrtg-config ${bindir}/statgrab-make-mrtg-index"
-RDEPENDS_${PN}-mrtg_append = "perl statgrab"
+RDEPENDS_${PN}-mrtg_append = " perl statgrab"
diff --git a/meta-oe/recipes-support/anthy/anthy_9100h.bb b/meta-oe/recipes-support/anthy/anthy_9100h.bb
index a65d324eae..b464c00003 100644
--- a/meta-oe/recipes-support/anthy/anthy_9100h.bb
+++ b/meta-oe/recipes-support/anthy/anthy_9100h.bb
@@ -10,8 +10,8 @@  SRC_URI = "http://osdn.dl.sourceforge.jp/anthy/37536/anthy-9100h.tar.gz \
     file://2ch_t.patch \
 "
 
-SRC_URI_append_class-target = "file://target-helpers.patch"
-SRC_URI_append_class-native = "file://native-helpers.patch"
+SRC_URI_append_class-target = " file://target-helpers.patch"
+SRC_URI_append_class-native = " file://native-helpers.patch"
 
 SRC_URI[md5sum] = "1f558ff7ed296787b55bb1c6cf131108"
 SRC_URI[sha256sum] = "d256f075f018b4a3cb0d165ed6151fda4ba7db1621727e0eb54569b6e2275547"