[openwrt/openwrt] tools/bison: update to 3.7.6

[LEDE Commits]

dedeckeh pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/f431f2c4b654c04d9765b2aabe57a907b9c7b3ea

commit f431f2c4b654c04d9765b2aabe57a907b9c7b3ea
Author: Rosen Penev <rosenp at gmail.com>
AuthorDate: Wed Sep 1 19:53:39 2021 -0700

    tools/bison: update to 3.7.6
    
    Signed-off-by: Rosen Penev <rosenp at gmail.com>
---
 tools/bison/Makefile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/bison/Makefile b/tools/bison/Makefile
index 8f3043fcb8..f46894c71b 100644
--- a/tools/bison/Makefile
+++ b/tools/bison/Makefile
@@ -7,11 +7,11 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=bison
-PKG_VERSION:=3.7.4
+PKG_VERSION:=3.7.6
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
 PKG_SOURCE_URL:=@GNU/$(PKG_NAME)
-PKG_HASH:=a3b5813f48a11e540ef26f46e4d288c0c25c7907d9879ae50e430ec49f63c010
+PKG_HASH:=67d68ce1e22192050525643fc0a7a22297576682bef6a5c51446903f5aeef3cf
 
 HOST_BUILD_PARALLEL:=1