dpkg-query(1): Escape dash on field name

Regression introduced in commit 255417d2757da6a381b563cab4ae430767e41817.

man/dpkg-query.1

@@ -180,7 +180,7 @@ fields or fields stored in the binary package end up in it):
     \fBTriggers\-Pending\fP (internal)
     \fBVersion\fP
     \fBshow:Summary\fP (virtual)
-    \fBshow:Status-Abbrev\fP (virtual)
+    \fBshow:Status\-Abbrev\fP (virtual)
 .fi
 
 The default format string is \(lq\fB${Package}\et${Version}\en\fP\(rq.