ndctl: release v58.4

Fixes:
    unit tests: fix skip vs fail for rpm auto-build environments
    rpm spec: clean up version generation
diff --git a/git-version b/git-version
index 9cf8230..b458e10 100755
--- a/git-version
+++ b/git-version
@@ -19,7 +19,7 @@
 	fi
 }
 
-DEF_VER=58.3
+DEF_VER=58.4
 
 LF='
 '