Suppress GCC 6 warning about ambiguous 'else' with -Wparentheses

(cherry picked from commit df1cf48777fe4cd81ad7fb09ecbe5b31432b7c1c)

3 files changed, 30 insertions, 21 deletions

diff --git a/ChangeLog b/ChangeLog
index b09e88f..ad4640b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2016-04-15  Yvan Roux  <yvan.roux@linaro.org>
+
+	* stdlib/setenv.c (unsetenv): Fix ambiguous 'else'.
+	* nis/nis_call.c (nis_server_cache_add): Likewise.
+
 2016-06-01  Florian Weimer  <fweimer@redhat.com>
 
 	[BZ #19861]
diff --git a/nis/nis_call.c b/nis/nis_call.c
index 970415b..d98c385 100644
--- a/nis/nis_call.c
+++ b/nis/nis_call.c
@@ -680,16 +680,18 @@ nis_server_cache_add (const_nis_name name, int search_parent,
   /* Choose which entry should be evicted from the cache.  */
   loc = &nis_server_cache[0];
   if (*loc != NULL)
-    for (i = 1; i < 16; ++i)
-      if (nis_server_cache[i] == NULL)
-	{
+    {
+      for (i = 1; i < 16; ++i)
+	if (nis_server_cache[i] == NULL)
+	  {
+	    loc = &nis_server_cache[i];
+	    break;
+	  }
+	else if ((*loc)->uses > nis_server_cache[i]->uses
+		 || ((*loc)->uses == nis_server_cache[i]->uses
+		     && (*loc)->expires > nis_server_cache[i]->expires))
 	  loc = &nis_server_cache[i];
-	  break;
-	}
-      else if ((*loc)->uses > nis_server_cache[i]->uses
-	       || ((*loc)->uses == nis_server_cache[i]->uses
-		   && (*loc)->expires > nis_server_cache[i]->expires))
-	loc = &nis_server_cache[i];
+    }
   old = *loc;
   *loc = new;
 
diff --git a/stdlib/setenv.c b/stdlib/setenv.c
index b9e0ba8..7a87d64 100644
--- a/stdlib/setenv.c
+++ b/stdlib/setenv.c
@@ -289,18 +289,20 @@ unsetenv (name)
   ep = __environ;
   if (ep != NULL)
     while (*ep != NULL)
-      if (!strncmp (*ep, name, len) && (*ep)[len] == '=')
-	{
-	  /* Found it.  Remove this pointer by moving later ones back.  */
-	  char **dp = ep;
-
-	  do
-	    dp[0] = dp[1];
-	  while (*dp++);
-	  /* Continue the loop in case NAME appears again.  */
-	}
-      else
-	++ep;
+      {
+	if (!strncmp (*ep, name, len) && (*ep)[len] == '=')
+	  {
+	    /* Found it.  Remove this pointer by moving later ones back.  */
+	    char **dp = ep;
+
+	    do
+		dp[0] = dp[1];
+	    while (*dp++);
+	    /* Continue the loop in case NAME appears again.  */
+	  }
+	else
+	  ++ep;
+      }
 
   UNLOCK;