gdi32: Make the EMF driver return sane NUMCOLORS value.

dlls/gdi32/enhmfdrv/dc.c

@@ -317,10 +317,10 @@ INT EMFDRV_GetDeviceCaps(PHYSDEV dev, INT cap)
         return physDev->technology;
     case PLANES:
         return physDev->planes;
-
+    case NUMCOLORS:
+        return physDev->numcolors;
     default:
         FIXME("Unimplemented cap %d\n", cap);
 	return 0;
-
     }
 }

dlls/gdi32/enhmfdrv/enhmetafiledrv.h

@@ -46,6 +46,7 @@ typedef struct
     INT        rastercaps;
     INT        technology;
     INT        planes;
+    INT        numcolors;
 } EMFDRV_PDEVICE;
 
 

dlls/gdi32/enhmfdrv/init.c

@@ -356,6 +356,7 @@ HDC WINAPI CreateEnhMetaFileW(
     physDev->rastercaps = GetDeviceCaps(hRefDC, RASTERCAPS);
     physDev->technology = GetDeviceCaps(hRefDC, TECHNOLOGY);
     physDev->planes = GetDeviceCaps(hRefDC, PLANES);
+    physDev->numcolors = GetDeviceCaps(hRefDC, NUMCOLORS);
 
     physDev->emh->iType = EMR_HEADER;
     physDev->emh->nSize = size;