updated for version 7.3.643

Problem:    MS-Windows: When starting gvim maximized 'lines' and 'columns' are
            wrong. (Christian Robinson)
Solution:   Move the check for gui.starting from ui_get_shellsize() to
            check_shellsize().

src/term.c

@@ -3006,7 +3006,13 @@ shell_resized_check()
     int		old_Rows = Rows;
     int		old_Columns = Columns;
 
-    if (!exiting)
+    if (!exiting
+#ifdef FEAT_GUI
+	    /* Do not get the size when executing a shell command during
+	     * startup. */
+	    && !gui.starting
+#endif
+	    )
     {
 	(void)ui_get_shellsize();
 	check_shellsize();