quiet spacenav output on linux for regular builds, ifdef signed int for msvc openmp.

intern/ghost/intern/GHOST_NDOFManagerX11.cpp

@@ -58,8 +58,11 @@ GHOST_NDOFManagerX11::GHOST_NDOFManagerX11(GHOST_System& sys)
 		}
 	}
 	else {
+#ifdef DEBUG
+		/* annoying for official builds, just adds noise and most prople don't own these */
 		puts("ndof: spacenavd not found");
 		/* This isn't a hard error, just means the user doesn't have a 3D mouse. */
+#endif
 	}
 }
 

source/blender/blenkernel/intern/mask_rasterize.c

@@ -1301,7 +1301,11 @@ void BKE_maskrasterize_buffer(MaskRasterHandle *mr_handle,
                               const unsigned int width, const unsigned int height,
                               float *buffer)
 {
-	int y;
+#ifdef _MSC_VER
+	int y;  /* msvc requires signed for some reason */
+#else
+	unsigned int y;
+#endif
 
 #pragma omp parallel for private(y)
 	for (y = 0; y < height; y++) {