Fix warnings from previous patch. Add info to usage output.

src/detect-engine.c

@@ -37,7 +37,7 @@ DetectEngineCtx *DetectEngineCtxInit(void) {
 
     memset(de_ctx,0,sizeof(DetectEngineCtx));
 
-    if (ConfGetBool("engine.init_failure_fatal", &(de_ctx->failure_fatal)) != 1) {
+    if (ConfGetBool("engine.init_failure_fatal", (int *)&(de_ctx->failure_fatal)) != 1) {
         SCLogDebug("ConfGetBool could not load the value.");
     }
 

src/eidps.c

@@ -279,6 +279,8 @@ void usage(const char *progname)
     printf("\t-u                           : run the unittests and exit\n");
     printf("\t-U, --unittest-filter=REGEX  : filter unittests with a regex\n");
     printf("\t--list-unittests             : list unit tests\n");
+    printf("\t--init-errors-fatal          : enable fatal failure on signature init error\n");
+    printf("\t--fatal-unittests            : enable fatal failure on unittest error\n");
 #endif /* UNITTESTS */
     printf("\n");
 }