[devel] Remove some trailing blanks.
diff --git a/contrib/gregbook/rpng-x.c b/contrib/gregbook/rpng-x.c
index e821cfb..6d10e1b 100644
--- a/contrib/gregbook/rpng-x.c
+++ b/contrib/gregbook/rpng-x.c
@@ -252,8 +252,8 @@
             else {
                 bgstr = *argv;
                 if (strlen(bgstr) != 7 || bgstr[0] != '#')
-                    ++error; 
-                else 
+                    ++error;
+                else
                     have_bg = TRUE;
             }
         } else {