Patch MiniJson with a google namespace (#312)

* Patch MiniJson with a google namespace

* Update readme.md

Author: a-maurice

cmake/external/google_minijson.patch

@@ -0,0 +1,17 @@
+diff --git a/MiniJSON.cs b/MiniJSON.cs
+index c73cbe5..fcc4397 100644
+--- a/MiniJSON.cs
++++ b/MiniJSON.cs
+@@ -32,6 +32,7 @@ using System.Collections.Generic;
+ using System.IO;
+ using System.Text;
+ 
++namespace Google {
+ namespace MiniJSON {
+     // Example usage:
+     //
+@@ -562,3 +563,4 @@ namespace MiniJSON {
+         }
+     }
+ }
++}

cmake/external/minijson.cmake

@@ -27,8 +27,10 @@ ExternalProject_Add(
 
   PREFIX ${PROJECT_BINARY_DIR}
 
+  PATCH_COMMAND git apply ${CMAKE_CURRENT_LIST_DIR}/google_minijson.patch
+
   CONFIGURE_COMMAND ""
   BUILD_COMMAND ""
   INSTALL_COMMAND ""
   TEST_COMMAND ""
-)
+)

docs/readme.md

@@ -155,6 +155,10 @@ Support
 
 Release Notes
 -------------
+### Upcoming
+- Changes
+    - General: Added a missing namespace to the Google.MiniJson.dll.
+
 ### 9.0.0
 - Changes
     - General: Minimum supported editor version is now Unity 2018.