Fix "Uninitialized" warnings.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141487 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Parse/ParseStmt.cpp b/lib/Parse/ParseStmt.cpp
index 7754c98..22a1eb3 100644
--- a/lib/Parse/ParseStmt.cpp
+++ b/lib/Parse/ParseStmt.cpp
@@ -1579,10 +1579,10 @@
   SourceLocation EndLoc = AsmLoc;
   do {
     bool InBraces = false;
-    unsigned short savedBraceCount;
+    unsigned short savedBraceCount = 0;
     bool InAsmComment = false;
     FileID FID;
-    unsigned LineNo;
+    unsigned LineNo = 0;
     unsigned NumTokensRead = 0;
     SourceLocation LBraceLoc;