Weak things initialized to 0 don't go in bss on Darwin.
Cosmetic changes to spacing to match gcc (some dejagnu
tests actually care).

llvm-svn: 45848
diff --git a/llvm/lib/Target/PowerPC/PPCTargetAsmInfo.cpp b/llvm/lib/Target/PowerPC/PPCTargetAsmInfo.cpp
index 0cb2fe4..e593482 100644
--- a/llvm/lib/Target/PowerPC/PPCTargetAsmInfo.cpp
+++ b/llvm/lib/Target/PowerPC/PPCTargetAsmInfo.cpp
@@ -53,7 +53,7 @@
   UsedDirective = "\t.no_dead_strip\t";
   WeakDefDirective = "\t.weak_definition ";
   WeakRefDirective = "\t.weak_reference ";
-  HiddenDirective = "\t.private_extern\t";
+  HiddenDirective = "\t.private_extern ";
   SupportsExceptionHandling = true;
   NeedsIndirectEncoding = true;
   NeedsSet = true;