updated for version 7.3.510

Problem:    Test 77 fails on Solaris 7. (Michael Soyka)
Solution:   Replace any tabs with spaces.

src/version.c

@@ -714,6 +714,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    510,
 /**/
     509,
 /**/