https://bugs.gentoo.org/418033

fix building when zlib is disabled but bzip2 is enabled

patch by Richard Grenville <pyxlcy@gmail.com>

--- a/pcregrep.c	(revision 970)
+++ b/pcregrep.c	(working copy)
@@ -1618,7 +1618,7 @@ gzFile ingz = NULL;
 BZFILE *inbz2 = NULL;
 #endif
 
-#if defined SUPPORT_LIBZ || defined SUPPORT_LIBZ2
+#if defined SUPPORT_LIBZ || defined SUPPORT_LIBBZ2
 int pathlen;
 #endif
 
@@ -1701,7 +1701,7 @@ skipping was not requested. The scan pro
 argument at top level, we don't show the file name, unless we are only showing
 the file name, or the filename was forced (-H). */
 
-#if defined SUPPORT_LIBZ || defined SUPPORT_LIBZ2
+#if defined SUPPORT_LIBZ || defined SUPPORT_LIBBZ2
 pathlen = (int)(strlen(pathname));
 #endif