msvcmaker: Define USE_COMPILER_EXCEPTIONS and HAVE_SPAWNVP.

tools/winapi/msvcmaker

@@ -603,7 +603,7 @@ sub _generate_dsp($$) {
 	print OUT " /c";
 	print OUT "\r\n";
 
-	my @defines2 = qw(_CRT_SECURE_NO_DEPRECATE _CRT_NONSTDC_NO_DEPRECATE);
+	my @defines2 = qw(_CRT_SECURE_NO_DEPRECATE _CRT_NONSTDC_NO_DEPRECATE USE_COMPILER_EXCEPTIONS);
 	if($debug) {
 	    if($lib) {
 		print OUT "# ADD CPP /nologo /MDd /W3 /Gm /GX /Zi /Od";
@@ -1131,7 +1131,7 @@ sub _generate_config_h($) {
         _access _chdir _close _lseek _mkdir _open _pclose _popen _read _rmdir _write _stat
         _snprintf _spawnvp _stricmp _strnicmp _vsnprintf _wcsicmp
         ecvt fcvt gcvt
-        memmove
+        memmove spawnvp
         strerror
         wcslen
     );