File otp_src_17.4.1-erts-drivers-gzio.patch of Package erlang

diff -Ndurp otp_src_17.4.1/erts/emulator/drivers/common/gzio.c otp_src_17.4.1-erts-drivers-gzio/erts/emulator/drivers/common/gzio.c
--- otp_src_17.4.1/erts/emulator/drivers/common/gzio.c	2015-01-30 17:57:06.000000000 +0200
+++ otp_src_17.4.1-erts-drivers-gzio/erts/emulator/drivers/common/gzio.c	2015-02-20 22:10:32.990336729 +0200
@@ -726,15 +726,12 @@ local uLong getLong (s)
 int
 erts_gzclose(ErtsGzFile file)
 {
-    int err;
     gz_stream *s = (gz_stream*)file;
 
     if (s == NULL) return Z_STREAM_ERROR;
 
-    if (s->mode == 'w') {
-        err = erts_gzflush (file, Z_FINISH);
-        if (err != Z_OK) return s->destroy(s);
-    }
+    if (s->mode == 'w')
+        erts_gzflush(file, Z_FINISH);
     return s->destroy(s);
 }