Glew: Fix compilation on VS 2015

Change-Id: I3749c18b344e5b76a542a336de0792337d329065
Reviewed-on: https://gerrit.libreoffice.org/16802
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Michael Stahl <mstahl@redhat.com>
diff --git a/external/glew/ExternalProject_glew.mk b/external/glew/ExternalProject_glew.mk
index 4403a4e..852c7b6 100644
--- a/external/glew/ExternalProject_glew.mk
+++ b/external/glew/ExternalProject_glew.mk
@@ -16,13 +16,14 @@ $(eval $(call gb_ExternalProject_register_targets,glew,\
ifeq ($(COM),MSC)
$(call gb_ExternalProject_get_state_target,glew,build) :
	$(call gb_ExternalProject_run,build,\
		$(if $(filter 140,$(VCVER)),$(DEVENV) /Upgrade glew.sln,echo up-to-date) && \
		msbuild.exe glew_shared.vcxproj /p:Platform=$(if $(filter INTEL,$(CPUNAME)),Win32,x64) /p:Configuration=$(if $(MSVC_USE_DEBUG_RUNTIME),Debug,Release) \
		$(if $(filter 110,$(VCVER)),/p:PlatformToolset=$(if $(filter 80,$(WINDOWS_SDK_VERSION)),v110,v110_xp) /p:VisualStudioVersion=11.0) \
	,$(if $(filter 120,$(VCVER)),build/vc12,build/vc10)) \
	,build/vc12) \
	$(call gb_ExternalProject_run,build,\
		msbuild.exe glewinfo.vcxproj /p:Platform=$(if $(filter INTEL,$(CPUNAME)),Win32,x64) /p:Configuration=Release \
		$(if $(filter 110,$(VCVER)),/p:PlatformToolset=$(if $(filter 80,$(WINDOWS_SDK_VERSION)),v110,v110_xp) /p:VisualStudioVersion=11.0) \
	,$(if $(filter 120,$(VCVER)),build/vc12,build/vc10))
	,build/vc12)

else