Hotfix: Replace GNU _IO_FILE with FILE

Hotfix to replace the usage of _IO_FILE with FILE. This is what
happens when one uses some GNU based documentation exampled to modify
for the sake of time. _IO_FILE may not work with some compilers
like XLC, no reason to not just use FILE - like it should have been
before.

Author: nmcglo

src/networks/model-net/dragonfly-dally.C

@@ -1304,7 +1304,7 @@ static terminal_dally_message_list* return_tail(
     return tail;
 }
 
-void dragonfly_print_params(const dragonfly_param *p, _IO_FILE * st)
+void dragonfly_print_params(const dragonfly_param *p, FILE * st)
 {
     if(!st)
         st = stdout;

src/networks/model-net/dragonfly-plus.C

@@ -1493,7 +1493,7 @@ static terminal_plus_message_list *return_tail(terminal_plus_message_list **this
     return tail;
 }
 
-void dragonfly_plus_print_params(const dragonfly_plus_param *p, _IO_FILE * st)
+void dragonfly_plus_print_params(const dragonfly_plus_param *p, FILE * st)
 {
     if (!st)
         st = stdout;