Fix dotlock's installation when DOTLOCK_GROUP is empty.

diff --git a/Makefile.am b/Makefile.am
index aadabf9c32d29793350d2262ca4d4c5608609f1e..a577da7747e49ee0f36df475fe0160333ca24c3e 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -63,7 +63,7 @@ install-exec-local:
                rm -f $(bindir)/mutt.dotlock ;          \
                ln -sf $(bindir)/mutt_dotlock $(bindir)/mutt.dotlock ; \
        fi
-       if test -f $(bindir)/mutt_dotlock && test x@DOTLOCK_PERMISSION@ != x ; then \
+       if test -f $(bindir)/mutt_dotlock && test x@DOTLOCK_GROUP@ != x ; then \
                chgrp @DOTLOCK_GROUP@ $(bindir)/mutt_dotlock ; \
                chmod @DOTLOCK_PERMISSION@  $(bindir)/mutt_dotlock ; \
        fi