fix main.c build warning

diff --git a/init/main.c b/init/main.c
index 329c1a9ca024beb99d9e217af62e952b4826cac4..7fff4d85685e0c1cea09047ec1de76da792c4bd4 100644 (file)
--- a/init/main.c
+++ b/init/main.c
@@ -94,7 +94,7 @@ extern void prepare_namespace(void);
 #ifdef CONFIG_ACPI
 extern void acpi_early_init(void);
 #else
-static inline acpi_early_init() { }
+static inline void acpi_early_init(void) { }
 #endif
 
 #ifdef CONFIG_TC