nettle: update to 3.7.3

Switch to AUTORELEASE to avoid manual increments.

Refreshed patches.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

package/libs/nettle/Makefile

@@ -8,13 +8,13 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=nettle
-PKG_VERSION:=3.6
-PKG_RELEASE:=1
+PKG_VERSION:=3.7.3
+PKG_RELEASE:=$(AUTORELEASE)
 PKG_USE_MIPS16:=0
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=@GNU/nettle
-PKG_HASH:=d24c0d0f2abffbc8f4f34dcf114b0f131ec3774895f3555922fe2f40f3d5e3f1
+PKG_HASH:=661f5eb03f048a3b924c3a8ad2515d4068e40f67e774e8a26827658007e3bcf0
 
 PKG_LICENSE:=GPL-2.0-or-later
 PKG_LICENSE_FILES:=COPYING

package/libs/nettle/patches/100-portability.patch

@@ -1,6 +1,6 @@
 --- a/configure
 +++ b/configure
-@@ -4635,6 +4635,7 @@ $as_echo_n "checking build system compil
+@@ -4661,6 +4661,7 @@ $as_echo_n "checking build system compil
  # remove anything that might look like compiler output to our "||" expression
  rm -f conftest* a.out b.out a.exe a_out.exe
  cat >conftest.c <<EOF
@@ -8,7 +8,7 @@
  int
  main ()
  {
-@@ -4667,6 +4668,7 @@ $as_echo_n "checking build system compil
+@@ -4693,6 +4694,7 @@ $as_echo_n "checking build system compil
  # remove anything that might look like compiler output to our "||" expression
  rm -f conftest* a.out b.out a.exe a_out.exe
  cat >conftest.c <<EOF
@@ -16,7 +16,7 @@
  int
  main ()
  {
-@@ -4703,6 +4705,7 @@ $as_echo_n "checking build system compil
+@@ -4729,6 +4731,7 @@ $as_echo_n "checking build system compil
  # remove anything that might look like compiler output to our "||" expression
  rm -f conftest* a.out b.out a.exe a_out.exe
  cat >conftest.c <<EOF
@@ -24,7 +24,7 @@
  int
  main ()
  {
-@@ -4753,6 +4756,7 @@ else
+@@ -4779,6 +4782,7 @@ else
    gmp_cv_prog_exeext_for_build="$EXEEXT"
  else
    cat >conftest.c <<EOF