Fix small coding style issues (PR fortran/87394).

Fix small coding style issues (PR fortran/87394).

2018-09-25  Martin Liska  <mliska@suse.cz>

	PR fortran/87394
	* dbgcnt.c (dbg_cnt_process_single_pair): Return false
	instead of NULL.
	* dumpfile.c (dump_enable_all): Remove extra parenthesis.
	* gcov-tool.c: Declare the function with ATTRIBUTE_NORETURN.
	* godump.c (go_format_type): Remove extra parenthesis.
2018-09-25  Martin Liska  <mliska@suse.cz>

	PR fortran/87394
	* decl.c (add_hidden_procptr_result): Simplify condition
	as we are in branch witch 'case1 || case2'.

From-SVN: r264562