Try to reduce EPIPE errors in nslcd by reading any pending data before closing
our connection to the daemon, in the cases where we weren't already doing that.
--- nss-pam-ldapd-0.8.12/nss/common.h
+++ nss-pam-ldapd-0.8.12/nss/common.h
@@ -148,6 +148,7 @@
   NSS_AVAILCHECK; \
   if (fp!=NULL) \
   { \
+    (void)tio_skipall(fp); \
     (void)tio_close(fp); \
     fp=NULL; \
   } \
@@ -182,6 +183,7 @@
       /* reset failed, we close and give up with a permanent error \
          because we cannot retry just the getent() call because it \
          may not be only the first entry that failed */ \
+      tio_skipall(fp); \
       tio_close(fp); \
       fp=NULL; \
       *errnop=EINVAL; \