[PATCH] gzclose_r() and gzclose_w() are not available in older versions of zlib such as the version on Ubuntu LTS 12.04. Changing to gzclose() allows notmuch to work on older versions as well

[Ico Doornekamp <ico@pruts.nl>]

---
 configure         |    4 ++--
 notmuch-dump.c    |    4 ++--
 notmuch-restore.c |    2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/configure b/configure
index f0fc466..dc3256b 100755
--- a/configure
+++ b/configure
@@ -491,9 +491,9 @@ if ! pkg-config --exists zlib; then
   rm -f compat/gen_zlib_pc
 fi
 
-printf "Checking for zlib (>= 1.2.5.2)... "
+printf "Checking for zlib (>= 1.2.3.4)... "
 have_zlib=0
-if pkg-config --atleast-version=1.2.5.2 zlib; then
+if pkg-config --atleast-version=1.2.3.4 zlib; then
     printf "Yes.\n"
     have_zlib=1
     zlib_cflags=$(pkg-config --cflags zlib)
diff --git a/notmuch-dump.c b/notmuch-dump.c
index e7965ce..637d93f 100644
--- a/notmuch-dump.c
+++ b/notmuch-dump.c
@@ -328,7 +328,7 @@ notmuch_database_dump (notmuch_database_t *notmuch,
 	}
     }
 
-    if (gzclose_w (output) != Z_OK) {
+    if (gzclose (output) != Z_OK) {
 	fprintf (stderr, "Error closing %s: %s\n", name_for_error,
 		 gzerror (output, NULL));
 	ret = EXIT_FAILURE;
@@ -347,7 +347,7 @@ notmuch_database_dump (notmuch_database_t *notmuch,
     }
  DONE:
     if (ret != EXIT_SUCCESS && output)
-	(void) gzclose_w (output);
+	(void) gzclose (output);
 
     if (ret != EXIT_SUCCESS && output_file_name)
 	(void) unlink (tempname);
diff --git a/notmuch-restore.c b/notmuch-restore.c
index d6429ef..b37cfe2 100644
--- a/notmuch-restore.c
+++ b/notmuch-restore.c
@@ -449,7 +449,7 @@ notmuch_restore_command (notmuch_config_t *config, int argc, char *argv[])
     if (notmuch)
 	notmuch_database_destroy (notmuch);
 
-    if (input && gzclose_r (input)) {
+    if (input && gzclose (input)) {
 	fprintf (stderr, "Error closing %s: %s\n",
 		 name_for_error, gzerror (input, NULL));
 	ret = EXIT_FAILURE;
-- 
1.7.9.5