Fixed incorrect buffer size in several places

Use correct sizes instead of sizeof(pointer)

engine/source/collection/nameTags_ScriptBinding.h

@@ -295,7 +295,7 @@ ConsoleMethodWithDocs(NameTags, queryTags, ConsoleString, 3, 4, (tagIds, [exclud
     // Format results.
     U32 bufferSize = 8192;
     char* pReturnBuffer = Con::getReturnBuffer( bufferSize );
-    dSprintf(pReturnBuffer, sizeof(pReturnBuffer), "%s", "");
+    dSprintf(pReturnBuffer, bufferSize * sizeof(char), "%s", "");
     char* pBuffer = pReturnBuffer;
 
     for( NameTags::queryType::iterator itr = results.begin(); itr != results.end(); ++itr )

engine/source/gui/editor/guiDebugger.cc

@@ -79,7 +79,7 @@ ConsoleMethod(DbgFileView, getCurrentLine, const char *, 2, 2, "()"
 	S32 lineNum;
    const char *file = object->getCurrentLine(lineNum);
    char* ret = Con::getReturnBuffer(256);
-	dSprintf(ret, sizeof(ret), "%s\t%d", file, lineNum);
+	dSprintf(ret, 256 * sizeof(char), "%s\t%d", file, lineNum);
 	return ret;
 }
 

engine/source/platformWin32/winDInputDevice.cc

@@ -786,7 +786,7 @@ void DInputDevice::syncKeyboardState()
 
 
    U8* keyBuffer = new U8[mObjBufferSize];
-   dMemset( keyBuffer, 0, sizeof( keyBuffer ) );
+   dMemset( keyBuffer, 0, sizeof( U8 ) * mObjBufferSize );
    HRESULT result = mDevice->GetDeviceState( mObjBufferSize, keyBuffer );
    if ( SUCCEEDED( result ) )
    {