Now using the style's background color when syntax highlighting.

golden-files/results/uncrustify-hello_c

@@ -1,7 +1,7 @@
-#include <stdio.h>          
-                            
-int main()                  
-{                           
-    printf("Hello World\n");
-    return 0;               
-}                           
+#include <stdio.h>          
+                            
+int main()                  
+{                           
+    printf("Hello World\n");
+    return 0;               
+}