ld should reject kernel modules as input

@@ -192,11 +192,12 @@
 #define SGS_REJ_SFCAP_1         14      /* software capabilities mismatch */
 #define SGS_REJ_MACHCAP         15      /* machine capability mismatch */
 #define SGS_REJ_PLATCAP         16      /* platform capability mismatch */
 #define SGS_REJ_HWCAP_2         17      /* hardware capabilities mismatch */
 #define SGS_REJ_ARCHIVE         18      /* archive used in invalid context */
-#define SGS_REJ_NUM             19
+#define SGS_REJ_KMOD            19      /* object is a kernel module */
+#define SGS_REJ_NUM             20
 
 #define FLG_REJ_ALTER           0x01    /* object name is an alternative */
 
 /*
  * For those source files used both inside and outside of the