aarch64: Use the correct syntax for relocations

This fixes building in PIC mode with gas. The examples in the gas
manual showed using a # here even though gas itself actually didn't
support that syntax (and the gas test suite only tests it without
the extra hash sign).

CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
Merge commit '08cd92144e73195eecc28ed0348e66e255516b82'

* commit '08cd92144e73195eecc28ed0348e66e255516b82':
  aarch64: Use the correct syntax for relocations

Merged-by: Michael Niedermayer <michaelni@gmx.at>
x86/dsputilenc: implement XOP version of pix_sum16

SSE2: 137 cycles
XOP:   87 cycles
Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>