Get rid of some clang compiler warnings.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@5451 dfc29bdd-3216-0410-991c-e03cc46cb475

source/Irrlicht/CB3DMeshWriter.cpp

@@ -26,7 +26,7 @@ namespace scene
 using namespace core;
 using namespace video;
 
-CB3DMeshWriter::CB3DMeshWriter(io::IFileSystem *fs): FileSystem(fs)
+CB3DMeshWriter::CB3DMeshWriter()
 {
 	#ifdef _DEBUG
 	setDebugName("CB3DMeshWriter");

source/Irrlicht/CB3DMeshWriter.h

@@ -8,7 +8,7 @@
 #define __IRR_B3D_MESH_WRITER_H_INCLUDED__
 
 #include "IMeshWriter.h"
-#include "IFileSystem.h"
+#include "IWriteFile.h"
 #include "SB3DStructs.h"
 #include "ISkinnedMesh.h"
 
@@ -24,7 +24,7 @@ class CB3DMeshWriter : public IMeshWriter
 {
 public:
 
-	CB3DMeshWriter(io::IFileSystem *fs);
+	CB3DMeshWriter();
 
 	//! Returns the type of the mesh writer
     virtual EMESH_WRITER_TYPE getType() const;
@@ -33,7 +33,6 @@ public:
     virtual bool writeMesh(io::IWriteFile* file, scene::IMesh* mesh, s32 flags=EMWF_NONE);
 
 private:
-	io::IFileSystem *FileSystem;
 	u32 Size;
 
     void writeJointChunk(io::IWriteFile* file, ISkinnedMesh* mesh , ISkinnedMesh::SJoint* joint);

source/Irrlicht/CMY3DHelper.h

@@ -269,7 +269,7 @@ unsigned long process_comp(
     unsigned char *out_buf, int out_buf_size)
 {
      // we start out with 3 repeating bytes
-     register int len = 3;
+     int len = 3;
 
      unsigned char ch;
 

source/Irrlicht/CSceneManager.cpp

@@ -2573,7 +2573,7 @@ IMeshWriter* CSceneManager::createMeshWriter(EMESH_WRITER_TYPE type)
 
 	case EMWT_B3D:
 #ifdef _IRR_COMPILE_WITH_B3D_WRITER_
-		return new CB3DMeshWriter(FileSystem);
+		return new CB3DMeshWriter();
 #else
 		return 0;
 #endif

source/Irrlicht/CZipReader.cpp

@@ -492,8 +492,16 @@ IReadFile* CZipReader::createAndOpenFile(const io::path& filename)
 //! Used for LZMA decompression. The lib has no default memory management
 namespace
 {
-	void *SzAlloc(void *p, size_t size) { p = p; return malloc(size); }
-	void SzFree(void *p, void *address) { p = p; free(address); }
+	void *SzAlloc(void *p, size_t size)
+	{
+		(void)p; // disable unused variable warnings
+		return malloc(size);
+	}
+	void SzFree(void *p, void *address)
+	{
+		(void)p; // disable unused variable warnings
+		free(address);
+	}
 	ISzAlloc lzmaAlloc = { SzAlloc, SzFree };
 }
 #endif