libmvec: further unifdef'ing (LIBMVEC_SO_BUILD)

*** 175,197 ****
  LINTFLAGS64     += -errchk=longptr64
  
  CLAGS           += $(LINTERROFF)
  CFLAGS64        += $(LINTERROFF)
  
- ASDEF           += -DLIBMVEC_SO_BUILD
- 
  FLTRPATH_sparc          = $$ORIGIN/cpu/$$ISALIST/libmvec_isa.so.1
  FLTRPATH_sparcv9        = $$ORIGIN/../cpu/$$ISALIST/sparcv9/libmvec_isa.so.1
  FLTRPATH_i386           = $$ORIGIN/libmvec/$$HWCAP
  FLTRPATH                = $(FLTRPATH_$(TARGET_ARCH))
  
  sparc_CFLAGS += -_cc=-W0,-xintrinsic
  sparcv9_CFLAGS += -_cc=-W0,-xintrinsic
  CPPFLAGS_i386   += -Dfabs=__fabs
  
- CPPFLAGS        += -DLIBMVEC_SO_BUILD
- 
  SRCS_mvec_i386 = \
          ../common/__vsqrtf.c \
          #end
  
  SRCS_mvec_sparc = \
--- 175,193 ----