roken: win32 dladdr do not normalize paths to slash

The resulting path needs to be passed to LoadLibrary.

Change-Id: Idfc45a4af4996105a428d88d9327f0dee5510be7

lib/roken/dlfcn_w32.c

@@ -168,7 +168,6 @@ dladdr(void *addr, Dl_info *dli)
 {
     HMODULE hm;
     DWORD nsize;
-    char *p;
 
     memset(dli, 0, sizeof(*dli));
 
@@ -182,18 +181,6 @@ dladdr(void *addr, Dl_info *dli)
     if (nsize >= sizeof(dli->_dli_buf))
         return 0; /* truncated? can't be... */
 
-    /*
-     * Normalize path component separators, since our caller may want to
-     * portably take the dirname or basename of dli->dli_fname,
-     * searching for the last '/'.
-     */
-    for (p = dli->_dli_buf;
-         p < &dli->_dli_buf[sizeof(dli->_dli_buf) - 1] && *p;
-         p++) {
-        if (*p == '\\')
-            *p = '/';
-    }
-
     dli->dli_fname = dli->_dli_buf;
     return 1;
 }