always use the alloc version

Author: maminrayej

libc-bottom-half/headers/public/wasi/libc-find-relpath.h

@@ -70,7 +70,7 @@ int __wasilibc_find_relpath_alloc(
     char **relative,
     size_t *relative_len,
     int can_realloc
-) __attribute__((__weak__));
+);
 
 #ifdef __cplusplus
 }

libc-bottom-half/sources/posix.c

@@ -19,7 +19,7 @@ static int find_relpath2(
 ) {
     // See comments in `preopens.c` for what this trick is doing.
     const char *abs;
-    if (__wasilibc_find_relpath_alloc)
+    if (&__wasilibc_find_relpath_alloc)
         return __wasilibc_find_relpath_alloc(path, &abs, relative, relative_len, 1);
     return __wasilibc_find_relpath(path, &abs, relative, *relative_len);
 }

libc-bottom-half/sources/preopens.c

@@ -163,7 +163,7 @@ int __wasilibc_find_relpath(const char *path,
     // If `chdir` is linked, whose object file defines this symbol, then we
     // call that. Otherwise if the program can't `chdir` then `path` is
     // absolute (or relative to the root dir), so we delegate to `find_abspath`
-    if (__wasilibc_find_relpath_alloc)
+    if (&__wasilibc_find_relpath_alloc)
         return __wasilibc_find_relpath_alloc(path, abs_prefix, relative_path, &relative_path_len, 0);
     return __wasilibc_find_abspath(path, abs_prefix, (const char**) relative_path);
 }