updated for version 7.4.669
Problem:    When netbeans is active the sign column always shows up.
Solution:   Only show the sign column once a sign has been added. (Xavier de
            Gaye)
diff --git a/src/move.c b/src/move.c
index e84f3d5..0269412 100644
--- a/src/move.c
+++ b/src/move.c
@@ -905,7 +905,7 @@
 	    + (
 # ifdef FEAT_NETBEANS_INTG
 		/* show glyph gutter in netbeans */
-		netbeans_active() ||
+		wp->w_buffer->b_has_sign_column ||
 # endif
 		wp->w_buffer->b_signlist != NULL ? 2 : 0)
 #endif