dln_find.c: PATH_SEP

* dln_find.c (dln_find_exe_r): use PATH_SEP instead of hardcoding
  separators.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45596 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

dln_find.c

@@ -78,11 +78,12 @@ dln_find_exe_r(const char *fname, const char *path, char *buf, size_t size
     }
 
     if (!path) {
-#if defined(_WIN32)
+	path =
-	path = "/usr/local/bin;/usr/ucb;/usr/bin;/bin;.";
+	    "/usr/local/bin" PATH_SEP
-#else
+	    "/usr/ucb" PATH_SEP
-	path = "/usr/local/bin:/usr/ucb:/usr/bin:/bin:.";
+	    "/usr/bin" PATH_SEP
-#endif
+	    "/bin" PATH_SEP
+	    ".";
     }
     buf = dln_find_1(fname, path, buf, size, 1 DLN_FIND_EXTRA_ARG);
     if (envpath) free(envpath);