Add "DispatchKeyValueInt" stock (#1764)

plugins/include/sdktools_functions.inc

@@ -169,6 +169,23 @@ native bool DispatchSpawn(int entity);
  */
 native bool DispatchKeyValue(int entity, const char[] keyName, const char[] value);
 
+/**
+ * Dispatches a KeyValue into given entity using an integer value.
+ *
+ * @param entity        Destination entity index.
+ * @param keyName       Name of the key.
+ * @param value         Integer value.
+ * @return              True on success, false otherwise.
+ * @error               Invalid entity index or lack of mod support.
+ */
+stock bool DispatchKeyValueInt(int entity, const char[] keyName, int value)
+{
+    char str[12];
+    FormatEx(str, sizeof(str), "%d", value);
+
+    return DispatchKeyValue(entity, keyName, str);
+}
+
 /**
  * Dispatches a KeyValue into given entity using a floating point value.
  *