gawk: update to 5.4.1

Changes from 5.4.0 to 5.4.1:
1. Fixed a performance problem in PMA with backing store files 1G or
   more in size, by disabling assertions in support/pma.c.
2. Fixed a bug in gensub() when using MinRX.
3. Revised all files that referred to the FSF's old address.
4. Confirmed MinRX case-insensitive matching behaviour is correct per
   POSIX even where one character has multiple alternative case
   variants; documented and added tests for it.
5. Unary plus and minus now force their operands to be numeric.
6. Documented the intdiv extension (man page and manual description).

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

utils/gawk/Makefile

@@ -5,12 +5,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=gawk
-PKG_VERSION:=5.4.0
+PKG_VERSION:=5.4.1
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
 PKG_SOURCE_URL:=@GNU/gawk
-PKG_HASH:=3dd430f0cd3b4428c6c3f6afc021b9cd3c1f8c93f7a688dc268ca428a90b4ac1
+PKG_HASH:=07f6f7342b7febe4313fc2c2542ad93d64fe20ad8717200109f105a826f5fd37
 
 PKG_MAINTAINER:=Daniel Golle <daniel@makrotopia.org>
 PKG_LICENSE:=GPL-3.0-or-later