oss: Mark loadhex static in hex2hex.c

Nothing outside of hex2hex.c references loadhex.

Signed-off-by: Josh Triplett <[e-mail]>

sound/oss/hex2hex.c

···
 #define MAX_SIZE (256*1024)
 unsigned char buf[MAX_SIZE];
 
-int loadhex(FILE *inf, unsigned char *buf)
+static int loadhex(FILE *inf, unsigned char *buf)
 {
 	int l=0, c, i;