[PATCH] Quiet warnings for def of {_,}_MOD_INC_USE_COUNT when CONFIG_MODULE=n

[Miles Bader]

Since `try_module_get(module)' is really just `1' when modules are
disabled, the compiler bitches.  As these definitions are inlines in a
header file, this results in a warning for every file that includes
modules.h.

diff -ruN -X../cludes linux-2.5.54-moo.orig/include/linux/module.h linux-2.5.54-moo/include/linux/module.h
--- linux-2.5.54-moo.orig/include/linux/module.h	2003-01-06 10:51:19.000000000 +0900
+++ linux-2.5.54-moo/include/linux/module.h	2003-01-06 16:30:28.000000000 +0900
@@ -314,7 +314,7 @@
 	/*
 	 * Yes, we ignore the retval here, that's why it's deprecated.
 	 */
-	try_module_get(module);
+	(void)try_module_get(module);
 }
 
 static inline void __deprecated __MOD_DEC_USE_COUNT(struct module *module)
@@ -350,7 +350,7 @@
 	local_inc(&module->ref[get_cpu()].count);
 	put_cpu();
 #else
-	try_module_get(module);
+	(void)try_module_get(module);
 #endif
 }
 #define MOD_INC_USE_COUNT \