[DJB] Fix variable case after D61178

llvm-svn: 359381
diff --git a/llvm/lib/Support/DJB.cpp b/llvm/lib/Support/DJB.cpp
index b97e212..f06af7d 100644
--- a/llvm/lib/Support/DJB.cpp
+++ b/llvm/lib/Support/DJB.cpp
@@ -58,12 +58,12 @@
 }
 
 static Optional<uint32_t> fastCaseFoldingDjbHash(StringRef Buffer, uint32_t H) {
-  bool allASCII = true;
+  bool AllASCII = true;
   for (unsigned char C : Buffer) {
     H = H * 33 + ('A' <= C && C <= 'Z' ? C - 'A' + 'a' : C);
-    allASCII &= C <= 0x7f;
+    AllASCII &= C <= 0x7f;
   }
-  if (allASCII)
+  if (AllASCII)
     return H;
   return None;
 }