Similar to rL257663, remove `function` keywords from export.sh and
tag.sh, since they are marked to be run with /bin/sh.

llvm-svn: 257994
diff --git a/llvm/utils/release/export.sh b/llvm/utils/release/export.sh
index 2fd4206..d978055 100755
--- a/llvm/utils/release/export.sh
+++ b/llvm/utils/release/export.sh
@@ -20,7 +20,7 @@
 release=""
 rc=""
 
-function usage() {
+usage() {
     echo "Export the SVN sources and build tarballs from them"
     echo "usage: `basename $0`"
     echo " "
@@ -29,7 +29,7 @@
     echo "  -final         The final tag"
 }
 
-function export_sources() {
+export_sources() {
     release_no_dot=`echo $release | sed -e 's,\.,,g'`
     tag_dir="tags/RELEASE_$release_no_dot/$rc"
 
diff --git a/llvm/utils/release/tag.sh b/llvm/utils/release/tag.sh
index caefc7f..c3e839d 100755
--- a/llvm/utils/release/tag.sh
+++ b/llvm/utils/release/tag.sh
@@ -23,7 +23,7 @@
 
 base_url="https://llvm.org/svn/llvm-project"
 
-function usage() {
+usage() {
     echo "usage: `basename $0` -release <num> [-rebranch] [-revision <num>] [-dry-run]"
     echo "usage: `basename $0` -release <num> -rc <num> [-dry-run]"
     echo " "
@@ -35,7 +35,7 @@
     echo "  -dry-run         Make no changes to the repository, just print the commands"
 }
 
-function tag_version() {
+tag_version() {
     set -x
     for proj in  $projects; do
         if svn ls $base_url/$proj/branches/release_$branch_release > /dev/null 2>&1 ; then
@@ -53,7 +53,7 @@
     set +x
 }
 
-function tag_release_candidate() {
+tag_release_candidate() {
     set -x
     for proj in $projects ; do
         if ! svn ls $base_url/$proj/tags/RELEASE_$tag_release > /dev/null 2>&1 ; then