Fixes syntax-check with previous commit

* po/POTFILES.in: adds src/conf/cpu_conf.c in teh set of files with
  translatable content
* src/conf/cpu_conf.c: remove an unused include

po/POTFILES.in

@@ -2,6 +2,7 @@ daemon/dispatch.c
 daemon/libvirtd.c
 daemon/remote.c
 daemon/stream.c
+src/conf/cpu_conf.c
 src/conf/domain_conf.c
 src/conf/interface_conf.c
 src/conf/network_conf.c

src/conf/cpu_conf.c

@@ -23,7 +23,6 @@
 
 #include <config.h>
 
-#include "c-ctype.h"
 #include "virterror_internal.h"
 #include "memory.h"
 #include "util.h"