Correct manpage source suffix

Source file is in the POD format, correctly reflect this in the file
name.

Signed-off-by: Georg Pfuetzenreuter <mail@georg-pfuetzenreuter.net>

Makefile

@@ -16,12 +16,12 @@ usage:
 	@echo 'Available targets: "install", "uninstall"'
 
 install:
-	install -d $(DESTDIR)$(BINDIR) $(DESTDIR)$(MANDIR)/man1 $(DESTDIR)$(SYSCONFDIR)/apparmor.d
-	install buddycheck.pl $(DESTDIR)$(BINDIR)/buddycheck
-	pod2man buddycheck.1 > $(DESTDIR)$(MANDIR)/man1/buddycheck.1
-	sed s?__BINDIR__?$(BINDIR)? buddycheck.apparmor > $(DESTDIR)$(SYSCONFDIR)/apparmor.d/buddycheck
+	install -d '$(DESTDIR)$(BINDIR)' '$(DESTDIR)$(MANDIR)/man1' '$(DESTDIR)$(SYSCONFDIR)/apparmor.d'
+	install buddycheck.pl '$(DESTDIR)$(BINDIR)/buddycheck'
+	pod2man buddycheck.pod > '$(DESTDIR)$(MANDIR)/man1/buddycheck.1'
+	sed 's?__BINDIR__?$(BINDIR)?' buddycheck.apparmor > '$(DESTDIR)$(SYSCONFDIR)/apparmor.d/buddycheck'
 
 uninstall:
-	rm $(BINDIR)/buddycheck
-	rm $(MANDIR)/man1/buddycheck.1
-	rm $(SYSCONFDIR)/apparmor.d/buddycheck
+	rm '$(BINDIR)/buddycheck'
+	rm '$(MANDIR)/man1/buddycheck.1'
+	rm '$(SYSCONFDIR)/apparmor.d/buddycheck'

README.txt

@@ -1,2 +1,4 @@
 BuddyCheck is a tool querying the systemd health through Prometheus Node Exporter.
 Reference buddycheck(1) for details.
+
+Idea originated in https://progress.opensuse.org/issues/165935.

buddycheck.pod

@@ -23,9 +23,9 @@
 
 =head1 EXIT CODES
 
-	0	HTTP server responded with metric, and result is 0
+	0	HTTP server responded with metric, and the value is 1
 	111	HTTP server did not respond
-	125	HTTP server responded with metric, result is not 1
+	125	HTTP server responded with metric, but value is not 1
 	255	HTTP response was not 200 or required variable was not set
 
 =head1 AUTHOR

buddycheck.spec

@@ -19,7 +19,7 @@
 
 %bcond_without apparmor
 Name:           buddycheck
-Version:        1.1
+Version:        1.2
 Release:        0
 Summary:        Health check
 License:        EUPL-1.2