Update libepoxy to 1.4.3

Upstream PR for Solus fixes: anholt/libepoxy#143

Signed-off-by: Ikey Doherty <ikey@solus-project.com>

abi_symbols

@@ -1,7 +1,9 @@
 libepoxy.so.0:epoxy_egl_version
 libepoxy.so.0:epoxy_gl_version
 libepoxy.so.0:epoxy_glx_version
+libepoxy.so.0:epoxy_has_egl
 libepoxy.so.0:epoxy_has_egl_extension
 libepoxy.so.0:epoxy_has_gl_extension
+libepoxy.so.0:epoxy_has_glx
 libepoxy.so.0:epoxy_has_glx_extension
 libepoxy.so.0:epoxy_is_desktop_gl

abi_symbols32

@@ -1,7 +1,9 @@
 libepoxy.so.0:epoxy_egl_version
 libepoxy.so.0:epoxy_gl_version
 libepoxy.so.0:epoxy_glx_version
+libepoxy.so.0:epoxy_has_egl
 libepoxy.so.0:epoxy_has_egl_extension
 libepoxy.so.0:epoxy_has_gl_extension
+libepoxy.so.0:epoxy_has_glx
 libepoxy.so.0:epoxy_has_glx_extension
 libepoxy.so.0:epoxy_is_desktop_gl

files/0001-test-Fix-trivial-compiler-warning-in-dlwrap.patch

@@ -0,0 +1,34 @@
+From 9dde80065fa09128885d61b0a3baaec780961880 Mon Sep 17 00:00:00 2001
+From: Ikey Doherty <ikey@solus-project.com>
+Date: Thu, 19 Oct 2017 15:50:46 +0100
+Subject: [PATCH 1/2] test: Fix trivial compiler warning in dlwrap
+
+This mutes compiler warnings for `dlwrap.c` by ensuring we actually check
+the return status of the `asprintf` call. At this point in the test suite
+our possible failure here is only memory, so we'll abort.
+
+Signed-off-by: Ikey Doherty <ikey@solus-project.com>
+---
+ test/dlwrap.c | 6 +++++-
+ 1 file changed, 5 insertions(+), 1 deletion(-)
+
+diff --git a/test/dlwrap.c b/test/dlwrap.c
+index c5d447b..60866db 100644
+--- a/test/dlwrap.c
++++ b/test/dlwrap.c
+@@ -162,7 +162,11 @@ wrapped_dlsym(const char *prefix, const char *name)
+     char *wrap_name;
+     void *symbol;
+
+-    asprintf(&wrap_name, "override_%s_%s", prefix, name);
++    if (asprintf(&wrap_name, "override_%s_%s", prefix, name) < 0) {
++        fputs("Error: Failed to allocate memory.\n", stderr);
++        abort();
++    }
++
+     symbol = dlwrap_real_dlsym(RTLD_DEFAULT, wrap_name);
+     free(wrap_name);
+     return symbol;
+-- 
+2.14.2
+