quickjs: actually properly fix libatomic stuff

this was not visible for cross because qjsc is called from host

srcpkgs/quickjs/patches/atomic.patch

@@ -0,0 +1,12 @@
+--- qjsc.c
++++ qjsc.c
+@@ -452,6 +452,9 @@ static int output_executable(const char *out_filename, const char *cfilename,
+     *arg++ = "-lm";
+     *arg++ = "-ldl";
+     *arg++ = "-lpthread";
++#ifdef LINK_ATOMIC
++    *arg++ = "-latomic";
++#endif
+     *arg = NULL;
+     
+     if (verbose) {

srcpkgs/quickjs/template

@@ -1,7 +1,7 @@
 # Template file for 'quickjs'
 pkgname=quickjs
 version=2021.03.27
-revision=1
+revision=2
 wrksrc="${pkgname}-${version//./-}"
 build_style=gnu-makefile
 make_use_env=true
@@ -21,6 +21,7 @@ fi
 
 if [ "$XBPS_TARGET_NO_ATOMIC8" ]; then
 	makedepends+=" libatomic-devel"
+	CFLAGS+=" -DLINK_ATOMIC"
 	export EXTRA_LIBS="-latomic"
 fi