Merge pull request #42 from rogual/fix-srgb-ktx-load

Fix bug where loading uncompressed sRGB KTX files would swap B/R

src/image.cpp

@@ -4011,7 +4011,8 @@ namespace bimg
 				break;
 			}
 
-			if (s_translateKtxFormat[ii].m_internalFmtSrgb == glInternalFormat)
+			if (s_translateKtxFormat[ii].m_internalFmtSrgb == glInternalFormat
+			&&  s_translateKtxFormat[ii].m_fmt == glBaseInternalFormat)
                         {
 				format = TextureFormat::Enum(ii);
 				srgb = true;