MFH: r494455

multimedia/libmpeg2: unbreak on armv7

ld: error: can't create dynamic relocation R_ARM_ABS32 against local symbol in readonly segment; recompile object files with -fPIC or pass '-Wl,-z,notext' to allow text relocations in the output

defined in ./.libs/libmpeg2arch.a(motion_comp_arm_s.o)
referenced by motion_comp_arm_s.o:(.text+0x104) in archive ./.libs/libmpeg2arch.a

Reported by: pkg-fallout
Approved by: ports-secteam blankte