Fix a geline() segfault on 8.0 when using --listed-incremental.

Submitted by:	Dennis Noordsij <noordsij@cs.helsinki.fi>

archivers/gtar/Makefile

@@ -7,7 +7,7 @@
 
 PORTNAME=	tar
 PORTVERSION=	1.22
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	archivers sysutils
 MASTER_SITES=	${MASTER_SITE_GNU}
 MASTER_SITE_SUBDIR=	${PORTNAME}

archivers/gtar/files/patch-src_incremen.c

@@ -0,0 +1,23 @@
+
+$FreeBSD$
+
+--- src/incremen.c.orig
++++ src/incremen.c
+@@ -870,7 +870,7 @@
+   time_t sec;
+   long int nsec;
+   char *buf = 0;
+-  size_t bufsize;
++  size_t bufsize = 0;
+   char *ebuf;
+   long lineno = 1;
+ 
+@@ -1230,7 +1230,7 @@
+ {
+   int fd;
+   char *buf = 0;
+-  size_t bufsize;
++  size_t bufsize = 0;
+ 
+   /* Open the file for both read and write.  That way, we can write
+      it later without having to reopen it, and don't have to worry if