Add a new path-sensitive checker for functions in <string.h>, for both null-terminated strings and memory blocks. Currently only checks memcpy(), memmove(), and bcopy(), but this is intended to be expanded soon.

llvm-svn: 107722
diff --git a/clang/lib/Checker/GRExprEngineExperimentalChecks.h b/clang/lib/Checker/GRExprEngineExperimentalChecks.h
index 24c7032..7d1eb77 100644
--- a/clang/lib/Checker/GRExprEngineExperimentalChecks.h
+++ b/clang/lib/Checker/GRExprEngineExperimentalChecks.h
@@ -19,6 +19,7 @@
 
 class GRExprEngine;
 
+void RegisterCStringChecker(GRExprEngine &Eng);
 void RegisterPthreadLockChecker(GRExprEngine &Eng);
 void RegisterMallocChecker(GRExprEngine &Eng);
 void RegisterStreamChecker(GRExprEngine &Eng);