const.h: default value for PATH_MAX

Hurd has no PATH_MAX value, so the build for Debian hurd failed: https://buildd.debian.org/status/fetch.php?pkg=grafx2&arch=hurd-i386&ver=2.5%2Bgit20181014-2&stamp=1544121801&raw=0
2018-12-08 15:41:19 +01:00 · 2018-12-08 15:41:19 +01:00 · caca361377
commit caca361377
parent 49b7d1017e
1 changed files with 4 additions and 0 deletions
--- a/src/const.h
+++ b/src/const.h
@ -42,7 +42,11 @@
 #ifdef _MSC_VER
 #include <windows.h>
 #endif
+#ifdef MAX_PATH
 #define PATH_MAX MAX_PATH
+#else
+#define PATH_MAX 4096
+#endif
 #endif

 #ifndef M_2PI