Make GetSourceVersion more portable, thanks Pawel!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94186 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/GetSourceVersion b/utils/GetSourceVersion
index 63cfe0f..b25f2f9 100755
--- a/utils/GetSourceVersion
+++ b/utils/GetSourceVersion
@@ -1,6 +1,6 @@
#!/bin/sh
-function usage() {
+usage() {
echo "usage: $0 <source root>"
echo " Prints the source control revision of the given source directory,"
echo " the exact format of the revision string depends on the source "