scripts: Apply pugixml-soversion.patch: SOVERSION is now 1 instead of 1.2...

scripts: Apply pugixml-soversion.patch: SOVERSION is now 1 instead of 1.2 (make install will deploy both libpugixml.so.1 and libpugixml.so.1.2)

git-svn-id: http://pugixml.googlecode.com/svn/trunk@934 99668b35-9821-0410-8761-19e4c4f06640