Fix various gcc -Wall complaints.

diff --git a/misc/base_device.c b/misc/base_device.c
index f58f2e8..80cd0fa 100644
--- a/misc/base_device.c
+++ b/misc/base_device.c
@@ -147,8 +147,7 @@
 }
 
 #ifdef DEBUG
-
-main(int argc, char** argv)
+int main(int argc, char** argv)
 {
 	const char *base;
 	char  buf[256], *cp;
@@ -167,5 +166,4 @@
 	}
 	exit(0);
 }
-
 #endif