fixed MSVC 2015 compile warnings

SPIRV/GlslangToSpv.h

@@ -32,6 +32,10 @@
 //ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 //POSSIBILITY OF SUCH DAMAGE.
 
+#if _MSC_VER >= 1900
+    #pragma warning(disable : 4464) // relative include path contains '..'
+#endif
+
 #include "../glslang/Include/intermediate.h"
 
 #include <string>

glslang/Include/Common.h

@@ -81,6 +81,10 @@ inline long long int atoll (const char* str)
     #pragma warning(disable : 4201) // nameless union
 #endif
 
+#if _MSC_VER >= 1900
+    #pragma warning(disable : 4464) // relative include path contains '..'
+#endif
+
 #include <set>
 #include <unordered_set>
 #include <vector>

glslang/Include/intermediate.h

@@ -46,6 +46,11 @@
 #ifndef __INTERMEDIATE_H
 #define __INTERMEDIATE_H
 
+#if _MSC_VER >= 1900
+	#pragma warning( disable : 4464 )	// relative include path contains '..'
+	#pragma warning( disable : 5026	)	// 'glslang::TIntermUnary': move constructor was implicitly defined as deleted
+#endif
+
 #include "../Include/Common.h"
 #include "../Include/Types.h"
 #include "../Include/ConstantUnion.h"