[ZPatterns] small ZPatterns bug with Zope 2.4

[Phillip J. Eby]

At 07:34 PM 7/7/01 +0100, Steve Alexander wrote:
>In Zope 2.4, the ExtensionClass.h file has moved into a src subdirectory.
>
>Therefore, the Setup file of ZPatterns needs to change from this:
>
>*shared*
>DynPersist DynPersist.c    -I../../ZODB \
>-I../../../Components/ExtensionClass
>
>to this
>
>*shared*
>DynPersist DynPersist.c -I../../ZODB \
>-I../../../Components/ExtensionClass/src

Checked into CVS, with a comment explaining the need to remove "/src" if 
using a Zope version <2.4.