Moved const uint8_t *b outside the loop, which caused unaligned memory acces on sparc. There is no need to update *b, which always points to the same v->ptr (just at an offset on consequetive loop traversals (on x86_64 that is)), this causes a BUS Error on Sparc though.

git-svn-id: https://svn.code.sf.net/p/chan-sccp-b/code/trunk@4795 43c1dc8c-776e-4df2-8ef1-6e829299be21