Update php version number to 3.5.1.1

php/ext/google/protobuf/package.xml

@@ -10,7 +10,7 @@
   <email>protobuf-opensource@google.com</email>
   <active>yes</active>
  </lead>
- <date>2017-12-11</date>
+ <date>2018-01-05</date>
  <time>11:02:07</time>
  <version>
   <release>3.5.1</release>
@@ -213,6 +213,22 @@ GA release.
    <time>11:02:07</time>
    <license uri="https://opensource.org/licenses/BSD-3-Clause">3-Clause BSD License</license>
    <notes>
+GA release.
+   </notes>
+  </release>
+  <release>
+   <version>
+    <release>3.5.1.1</release>
+    <api>3.5.1.1</api>
+   </version>
+   <stability>
+    <release>stable</release>
+    <api>stable</api>
+   </stability>
+   <date>2018-01-05</date>
+   <time>11:02:07</time>
+   <license uri="https://opensource.org/licenses/BSD-3-Clause">3-Clause BSD License</license>
+   <notes>
 GA release.
    </notes>
   </release>

php/ext/google/protobuf/protobuf.h

@@ -37,7 +37,7 @@
 #include "upb.h"
 
 #define PHP_PROTOBUF_EXTNAME "protobuf"
-#define PHP_PROTOBUF_VERSION "3.5.1"
+#define PHP_PROTOBUF_VERSION "3.5.1.1"
 
 #define MAX_LENGTH_OF_INT64 20
 #define SIZEOF_INT64 8