[analyzer] Fix capitalization in ObjCSuperDealloc checker diagnostic.

Change "use of 'self'..." to "Use of 'self'...". The convention is to
start diagnostics with a capital letter.

rdar://problem/28322494

llvm-svn: 285759
diff --git a/clang/lib/StaticAnalyzer/Checkers/ObjCSuperDeallocChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/ObjCSuperDeallocChecker.cpp
index 15980c5..e75d208 100644
--- a/clang/lib/StaticAnalyzer/Checkers/ObjCSuperDeallocChecker.cpp
+++ b/clang/lib/StaticAnalyzer/Checkers/ObjCSuperDeallocChecker.cpp
@@ -191,7 +191,7 @@
     return;
 
   if (Desc.empty())
-    Desc = "use of 'self' after it has been deallocated";
+    Desc = "Use of 'self' after it has been deallocated";
 
   // Generate the report.
   std::unique_ptr<BugReport> BR(