gg,sokol,stbi,gx,fontstash: cleanup for -Wimpure-v

vlib/sokol/sfons/sfons.c.v

@@ -0,0 +1,26 @@
+module sfons
+
+import fontstash
+
+// keep v from warning about unused imports
+const used_import = fontstash.used_import + 1
+
+[inline]
+pub fn create(width int, height int, flags int) &C.FONScontext {
+	return C.sfons_create(width, height, flags)
+}
+
+[inline]
+pub fn destroy(ctx &C.FONScontext) {
+	C.sfons_destroy(ctx)
+}
+
+[inline]
+pub fn rgba(r byte, g byte, b byte, a byte) u32 {
+	return C.sfons_rgba(r, g, b, a)
+}
+
+[inline]
+pub fn flush(ctx &C.FONScontext) {
+	C.sfons_flush(ctx)
+}