c-index-test.c: Fix syntax. It is C source.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144272 91177308-0d34-0410-b5e6-96231b3b80d8

tools/c-index-test/c-index-test.c

@@ -2510,13 +2510,14 @@ static void printFixIts(CXDiagnostic D, unsigned indent) {
 }
 
 static void printDiagnosticSet(CXDiagnosticSet Diags, unsigned indent) {
+  unsigned i, n;
+
   if (!Diags)
     return;
   
   fprintf(stderr, "\n");
 
-  unsigned i = 0;
-  unsigned n = clang_getNumDiagnosticsInSet(Diags);
+  n = clang_getNumDiagnosticsInSet(Diags);
   for (i = 0; i < n; ++i) {
     CXSourceLocation DiagLoc;
     CXDiagnostic D;