added a new type to mkproto.awk so it can handle shmem.c

in general if you add a new type that is returned by a non-static
function then just add it to the list of known types in mkproto.awk

source/locking/shmem.c

@@ -733,7 +733,7 @@ BOOL smb_shm_set_userdef_off(smb_shm_offset_t userdef_off)
    return True;
 }
 
-void * smb_shm_offset2addr(smb_shm_offset_t offset)
+void *smb_shm_offset2addr(smb_shm_offset_t offset)
 {
    if (offset == NULL_OFFSET )
       return (void *)(0);

source/script/mkproto.awk

@@ -64,7 +64,7 @@ BEGIN {
   next;
 }
 
-!/^unsigned|^mode_t|^DIR|^user|^int|^char|^uint|^struct|^BOOL|^void|^time|^shm_offset_t/ {
+!/^unsigned|^mode_t|^DIR|^user|^int|^char|^uint|^struct|^BOOL|^void|^time|^smb_shm_offset_t|^shm_offset_t/ {
   next;
 }