OS-3822 OS-3780 creates a life of fd crime in libproc

@@ -224,10 +224,11 @@
                 (void) snprintf(&fp->file_pname[sz],
                     sizeof (fp->file_pname) - sz, "/%s", fname);
         }
 
         fp->file_fd = fd;
+        fp->file_dbgfile = -1;
         fp->file_lo->rl_lmident = LM_ID_BASE;
         if ((fp->file_lname = strdup(fp->file_pname)) == NULL) {
                 *perr = G_STRANGE;
                 goto err;
         }