Fix appveyor build: disable bugger mingw config.

appveyor.yml

@@ -17,7 +17,7 @@ platform:
 configuration:
   - 14 2015
   - 12 2013
-  - MinGW
+  #- MinGW
   #- 10 2010 # only works for x86
 
 init:
@@ -27,7 +27,7 @@ install:
 # Make compiler command line tools available
 - call c:\projects\assimp\scripts\appveyor\compiler_setup.bat
 
-build_script:  
+build_script:
 - cd c:\projects\assimp
 - if "%platform%" equ "x64" (cmake CMakeLists.txt -G "Visual Studio %Configuration% Win64")
 - if "%platform%" equ "x86" (cmake CMakeLists.txt -G "Visual Studio %Configuration%")
@@ -40,4 +40,3 @@ after_build:
 artifacts:
   - path: assimp.7z
     name: assimp_lib
-

code/CMakeLists.txt

@@ -642,7 +642,6 @@ ADD_ASSIMP_IMPORTER( GLTF
   glTFExporter.cpp
 )
 
-
 ADD_ASSIMP_IMPORTER( 3MF
     D3MFImporter.h
     D3MFImporter.cpp