compel: print nr of unsupported relocation

Impact: just a bit more info for debugging.

Cc: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Dmitry Safonov <dsafonov@virtuozzo.com>
Acked-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>

compel/handle-elf.c

@@ -527,7 +527,8 @@ int __handle_elf(void *mem, size_t size)
 #endif
 
 			default:
-				pr_err("Unsupported relocation\n");
+				pr_err("Unsupported relocation of type %lu\n",
+					(unsigned long)ELF_R_TYPE(r->rel.r_info));
 				goto err;
 			}
 		}