Merge pull request #580 from ppisar/c23

Fix building in ISO C23

Author: mlschroe

bindings/solv.i

@@ -976,8 +976,10 @@ SWIG_AsValDepId(void *obj, int *val) {
 
 /* argh, swig undefs bool for perl */
 #ifndef bool
+#if !defined __STDC_VERSION__ || __STDC_VERSION__ < 202311L
 typedef int bool;
 #endif
+#endif
 
 #include "pool.h"
 #include "poolarch.h"