* path.cc (path_conv::set_normalized_path): Use crealloc_abort to avoid a

memory leak.
* path.h (path_conv::operator =): Just use cstrdup to allocate normalized_path,
avoiding attempt to free a pointer which is allocated in another pc.

winsup/cygwin/path.h

@@ -217,7 +217,7 @@ class path_conv
   {
     memcpy (this, &pc, sizeof pc);
     path = cstrdup (pc.path);
-    set_normalized_path (pc.normalized_path);
+    normalized_path = cstrdup(pc.normalized_path);
     wide_path = NULL;
     return *this;
   }