Various changes suggested by cppcheck

- remove unused variables
- reduce the scope where it makes sense
- correct limits (did you know that strcat()'s last parameter does not
  include the \0 that is always added?)
- set some free()'d pointers to NULL

1 files changed, 1 insertions, 1 deletions

diff --git a/Source/Core/VideoCommon/TextureCacheBase.h b/Source/Core/VideoCommon/TextureCacheBase.h
index 517f45433d..f66726f478 100644
--- a/Source/Core/VideoCommon/TextureCacheBase.h
+++ b/Source/Core/VideoCommon/TextureCacheBase.h
@@ -72,7 +72,7 @@ public:
 		virtual ~TCacheEntryBase();
 
 		virtual void Bind(unsigned int stage) = 0;
-		virtual bool Save(const std::string filename, unsigned int level) = 0;
+		virtual bool Save(const std::string& filename, unsigned int level) = 0;
 
 		virtual void Load(unsigned int width, unsigned int height,
 			unsigned int expanded_width, unsigned int level) = 0;