Fix typos: [Dd]iagnosic -> [Dd]iagnostic

These all appear in comments or (ironically) diagnostics output.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176383 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/AnalysisBasedWarnings.cpp b/lib/Sema/AnalysisBasedWarnings.cpp
index 50feef8..9993b48 100644
--- a/lib/Sema/AnalysisBasedWarnings.cpp
+++ b/lib/Sema/AnalysisBasedWarnings.cpp
@@ -505,7 +505,7 @@
     StringRef Str;
     SourceRange Range;
 
-    // FixIts to suppress the diagnosic by removing the dead condition.
+    // FixIts to suppress the diagnostic by removing the dead condition.
     // For all binary terminators, branch 0 is taken if the condition is true,
     // and branch 1 is taken if the condition is false.
     int RemoveDiagKind = -1;