databases/caterva: fix build on powerpc64*

Use non-typedef types when in conjunction with vector:
/wrkdirs/usr/ports/databases/caterva/work/caterva-2db4e9c/contribs/c-blosc2/blosc/transpose-altivec.h:18:23: error: redefinition of 'uint8_t' as different kind of symbol
/usr/include/sys/_stdint.h:56:20: note: previous definition is here
typedef __uint8_t uint8_t;