Run 'svn info' in the C locale. Also appropriately escape spaces and ? for gawk in darwin.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47723 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Makefile b/Makefile
index 9bb311e..3fc5933 100644
--- a/Makefile
+++ b/Makefile
@@ -145,9 +145,9 @@
 SVN = svn
 SVN-UPDATE-OPTIONS =
 AWK = awk
-SUB-SVN-DIRS = $(AWK) '/?      / {print $$2}'   \
-		| xargs $(SVN) info 2>/dev/null \
-		| $(AWK) '/Path: / {print $$2}'
+SUB-SVN-DIRS = $(AWK) '/\?\ \ \ \ \ \ / {print $$2}'   \
+		| LANG=C xargs $(SVN) info 2>/dev/null \
+		| $(AWK) '/Path:\ / {print $$2}'
 
 update:
 	$(SVN) $(SVN-UPDATE-OPTIONS) update