docs: Add missing escape

This adds what appears to be a missing character to an escape sequence.

This resolves a problem reported as
"a newline character is not allowed in an escape name".

Reported by lintian

diff --git a/utilities/ovs-appctl.8.in b/utilities/ovs-appctl.8.in
index 1cc9c41..3540693 100644 (file)
--- a/utilities/ovs-appctl.8.in
+++ b/utilities/ovs-appctl.8.in
@@ -80,7 +80,7 @@ facility's log level to \fBOFF\fR disables logging to that facility.
 The following log levels, in order of descending severity, are
 available:
 .
-.IP "\fBEMER\f"
+.IP "\fBEMER\fR"
 A major failure forced a process to abort.
 .IP "\fBERR\fR"
 A high-level operation or a subsystem failed.  Attention is