- copy&paste error in aiColor3D::operator- apparently nobody's using these. Thanks to Robin Tucker for pointing this out

git-svn-id: https://assimp.svn.sourceforge.net/svnroot/assimp/trunk@1342 67173fc5-114c-0410-ac8e-9d2fd5bffc1f

include/assimp/types.h

@@ -178,7 +178,7 @@ struct aiColor3D
 
 	/** Component-wise subtraction */
 	aiColor3D operator-(const aiColor3D& c) const {
-		return aiColor3D(r+c.r,g+c.g,b+c.b);
+		return aiColor3D(r-c.r,g-c.g,b-c.b);
 	}
 
 	/** Component-wise multiplication */