Use proper method for image format.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@2507 dfc29bdd-3216-0410-991c-e03cc46cb475

source/Irrlicht/CBlit.h

@@ -508,7 +508,7 @@ static void executeBlit_TextureCopy_24_to_16( const SBlitJob * job )
 
 		for ( s32 dx = 0; dx != job->width; ++dx )
 		{
-			dst[dx] = video::RGB16(s[0], s[1], s[2]);
+			dst[dx] = video::RGBA16(s[0], s[1], s[2]);
 			s += 3;
 		}
 

source/Irrlicht/CNullDriver.cpp

@@ -1166,7 +1166,7 @@ void CNullDriver::makeNormalMapTexture(video::ITexture* texture, f32 amplitude)
 				n += core::vector3df(0.5f,0.5f,0.5f); // now between 0 and 1
 				n *= 255.0f;
 
-				p[y*pitch + x] = video::RGB16((s32)n.X, (s32)n.Z, (s32)n.Y);
+				p[y*pitch + x] = video::RGBA16((u32)n.X, (u32)n.Z, (u32)n.Y);
 			}
 
 		delete [] in;