[analyzer] Fix memory error bug category capitalization.

It was written as "Memory Error" in most places and as "Memory error" in a few
other places, however it is the latter that is more consistent with
other categories (such as "Logic error").

rdar://problem/31718115

Differential Revision: https://reviews.llvm.org/D32702

llvm-svn: 302016
diff --git a/clang/test/Analysis/MismatchedDeallocator-path-notes.cpp b/clang/test/Analysis/MismatchedDeallocator-path-notes.cpp
index 118f23b..1354386 100644
--- a/clang/test/Analysis/MismatchedDeallocator-path-notes.cpp
+++ b/clang/test/Analysis/MismatchedDeallocator-path-notes.cpp
@@ -287,7 +287,7 @@
 // CHECK-NEXT:    </dict>
 // CHECK-NEXT:   </array>
 // CHECK-NEXT:   <key>description</key><string>Memory allocated by &apos;new[]&apos; should be deallocated by &apos;delete[]&apos;, not &apos;delete&apos;</string>
-// CHECK-NEXT:   <key>category</key><string>Memory Error</string>
+// CHECK-NEXT:   <key>category</key><string>Memory error</string>
 // CHECK-NEXT:   <key>type</key><string>Bad deallocator</string>
 // CHECK-NEXT:   <key>check_name</key><string>unix.MismatchedDeallocator</string>
 // CHECK-NEXT:   <!-- This hash is experimental and going to change! -->