pcregrep: Fix unused variable warning

When compiling with neither libz nor libbz2 support.

git-svn-id: svn://vcs.exim.org/pcre/code/trunk@1136 2f5784b3-3f2a-0410-8824-cb99058d5e15

1 files changed, 2 insertions, 0 deletions

diff --git a/pcregrep.c b/pcregrep.c
index c24fd1f..c5887e4 100644
--- a/pcregrep.c
+++ b/pcregrep.c
@@ -1487,6 +1487,8 @@ of what we have. In the case of libz, a non-zipped .gz file will be read as a
 plain file. However, if a .bz2 file isn't actually bzipped, the first read will
 fail. */
 
+(void)frtype;
+
 #ifdef SUPPORT_LIBZ
 if (frtype == FR_LIBZ)
   {