Add missing files to tarball for win32 build

Fixes building from distribution tarball on win32/mingw.

Makefile.am: Include win32-ipicmp.h and openconnect.ico in tarball

Signed-off-by: Justin Kendrick <justin@kendrick.tech>

Makefile.am

@@ -31,7 +31,7 @@ library_srcs = ssl.c http.c http-auth.c auth-common.c library.c compat.c lzs.c m
 lib_srcs_cisco = auth.c cstp.c
 lib_srcs_juniper = oncp.c lzo.c auth-juniper.c
 lib_srcs_pulse = pulse.c
-lib_srcs_globalprotect = gpst.c auth-globalprotect.c
+lib_srcs_globalprotect = gpst.c win32-ipicmp.h auth-globalprotect.c
 lib_srcs_oath = oath.c
 lib_srcs_oidc = oidc.c
 
@@ -133,7 +133,7 @@ endif
 
 pkgconfig_DATA = openconnect.pc
 
-EXTRA_DIST = AUTHORS version.sh COPYING.LGPL $(lib_srcs_openssl) $(lib_srcs_gnutls)
+EXTRA_DIST = AUTHORS version.sh COPYING.LGPL openconnect.ico $(lib_srcs_openssl) $(lib_srcs_gnutls)
 EXTRA_DIST += $(shell cd "$(top_srcdir)" && \
 		git ls-tree HEAD -r --name-only -- android/ java/ trojans/ bash/ 2>/dev/null)