configure: fix usage() formatting

diff --git a/configure b/configure
index e15e50969dfbe992c9e5a38e6938e27de3e2640c..e6a842a126ac2bced46e71b12dcc5070b7a4e1be 100755 (executable)
--- a/configure
+++ b/configure
@@ -24,7 +24,7 @@ usage: configure [options]
   --enable-debug         enable debugging
   --enable-static        prepare for static build
 
-       --without-pam          disable pam support
+  --without-pam          disable pam support
 
   --help, -h             display this help and exit
 EOF