Quick fix to argument positioning

src/mode_merge.f90

@@ -77,15 +77,15 @@ module mode_merge
         end do
 
         !Set argpos accordingly
-        arg_pos = 3+in_num+1
+        arg_pos = 3+in_num
         !Now options loop
         !Check for optional keywords
         do while(.true.)
             if(arg_pos > command_argument_count()) exit
             !Pull out the next argument which should either be a keyword or an option
+            arg_pos=arg_pos+1
             call get_command_argument(arg_pos, textholder)
             textholder=adjustl(textholder)
-            arg_pos=arg_pos+1
 
             !Choose what to based on what the option string is 
             select case(trim(textholder))