cgen: fix fixed array of aliases struct (#14583)

vlib/v/gen/c/cgen.v

@@ -5070,7 +5070,7 @@ fn (mut g Gen) sort_structs(typesa []&ast.TypeSymbol) []&ast.TypeSymbol {
 		mut field_deps := []string{}
 		match sym.info {
 			ast.ArrayFixed {
-				dep := g.table.sym(sym.info.elem_type).name
+				dep := g.table.final_sym(sym.info.elem_type).name
 				if dep in type_names {
 					field_deps << dep
 				}

vlib/v/tests/fixed_array_of_alias_struct_test.v

@@ -0,0 +1,11 @@
+type Sfxinfo_t = Sfxinfo_struct
+
+struct Sfxinfo_struct {
+	name [9]i8
+}
+
+fn test_fixed_array_of_alias_struct() {
+	a := [5]Sfxinfo_t{}
+	println(a)
+	assert true
+}