Fix procedure casting; SUBSYSTEM to CONSOLE in linker

src/checker/expr.c

@@ -1880,6 +1880,10 @@ bool check_is_castable_to(Checker *c, Operand *operand, Type *y) {
 	if (is_type_proc(xb) && is_type_rawptr(yb)) {
 		return true;
 	}
+	// rawptr -> proc
+	if (is_type_rawptr(xb) && is_type_proc(yb)) {
+		return true;
+	}
 
 	return false;
 }

src/main.c

@@ -232,7 +232,7 @@ int main(int argc, char **argv) {
 	exit_code = win32_exec_command_line_app("msvc-link", true,
 		"link %.*s.obj -OUT:%.*s.%s %s "
 		"/defaultlib:libcmt "
-		"/nologo /incremental:no /opt:ref /subsystem:WINDOWS "
+		"/nologo /incremental:no /opt:ref /subsystem:CONSOLE "
 		" %.*s "
 		" %s "
 		"",