Bug 1360299 - When --enable-hardening is used, --enable-pie will be automatically enabled r=froydnj

r=froydnj

MozReview-Commit-ID: 7QFOTzSlXSj

--HG--
extra : rebase_source : 3dfde8102bdaf5afcd3fb4c9b5e9b78023e2d779

build/moz.configure/toolchain.configure

@@ -1008,3 +1008,4 @@ def security_hardening_cflags(value, c_compiler):
         return '-fstack-protector-strong'
 
 add_old_configure_assignment('HARDENING_CFLAGS', security_hardening_cflags)
+imply_option('--enable-pie', depends_if('--enable-hardening')(lambda v: v))