Updates checkout scripts of freetype and Bullet

Author: azeno

deps/BulletPhysics/checkout.bat

@@ -6,5 +6,8 @@ IF NOT ERRORLEVEL 0 (
   ECHO "Could not find git.exe"
   EXIT /B %ERRORLEVEL%
 ) 
-%GIT_CMD% clone git@github.com:Eideren/BulletSharpPInvoke.git ../../externals/BulletSharpPInvoke
+%GIT_CMD% clone https://github.com/stride3d/BulletSharpPInvoke ../../externals/BulletSharpPInvoke
+pushd ..\..\externals\BulletSharpPInvoke
+%GIT_CMD% checkout 0de0f3cd564173474c58d57aad31c8aad82cb99d
+popd
 if NOT ERRORLEVEL 0 pause

deps/freetype/checkout.bat

@@ -6,7 +6,10 @@ IF NOT ERRORLEVEL 0 (
 %GIT_CMD% clone https://github.com/stride3d/freetype.git -b 2.6.3 ../../externals/freetype
 if NOT ERRORLEVEL 0 pause
 pushd ..\..\externals\freetype
-%GIT_CMD% remote add upstream http://git.sv.nongnu.org/r/freetype/freetype2.git
-%GIT_CMD% fetch --all
+%GIT_CMD% checkout 84631a11ab76240581f621287b260a6936a9014c
 popd
 if NOT ERRORLEVEL 0 pause
+
+:: Upstream repo can be added via
+:: %GIT_CMD% remote add upstream http://git.sv.nongnu.org/r/freetype/freetype2.git
+:: %GIT_CMD% fetch --all