travis: exclose some build env to avoid double tests.

.travis.yml

@@ -22,8 +22,11 @@ env:
     - LINUX=1 TRAVIS_NO_EXPORT=NO  ENABLE_COVERALLS=OFF
     - LINUX=1 SHARED_BUILD=ON      ENABLE_COVERALLS=OFF
     - LINUX=1 SHARED_BUILD=OFF     ENABLE_COVERALLS=OFF
-#    - ANDROID=1
-  
+    exclude:
+        - os: linux
+          compiler: clang
+        - os: osx
+          compiler: gcc  
 compiler:
   - gcc
   - clang

include/assimp/color4.inl

@@ -77,7 +77,6 @@ AI_FORCE_INLINE const aiColor4t<TReal>& aiColor4t<TReal>::operator /= (TReal f)
 // ------------------------------------------------------------------------------------------------
 template <typename TReal>
 AI_FORCE_INLINE TReal aiColor4t<TReal>::operator[](unsigned int i) const {
-    //return *(&r + i);
     switch ( i ) {
         case 0:
             return r;
@@ -93,7 +92,6 @@ AI_FORCE_INLINE TReal aiColor4t<TReal>::operator[](unsigned int i) const {
 // ------------------------------------------------------------------------------------------------
 template <typename TReal>
 AI_FORCE_INLINE TReal& aiColor4t<TReal>::operator[](unsigned int i) {
-//    return *(&r + i);
     switch ( i ) {
         case 0:
             return r;