gzip: bump to version 1.7

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/gzip/gzip.hash

@@ -1,2 +1,2 @@
 # Locally calculated after checking pgp signature
-sha256	37dfed1a485d53212c43b3fa2a7c7952f09bf5cd86e37121c222341ee1b27847  gzip-1.6.tar.xz
+sha256	fb31c57e7ce7703596ef57329be7cc5c5fd741b4a0f659fea7ee6a54706b41ab  gzip-1.7.tar.xz

package/gzip/gzip.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-GZIP_VERSION = 1.6
+GZIP_VERSION = 1.7
 GZIP_SOURCE = gzip-$(GZIP_VERSION).tar.xz
 GZIP_SITE = $(BR2_GNU_MIRROR)/gzip
 # Some other tools expect it to be in /bin