Bugzilla Bug 317858: gcc on Linux/ppc doesn't recognize the -z defs linker

flag, so we need to use -Wl to pass it to the linker. r=caillon.

security/coreconf/Linux.mk

@@ -165,7 +165,7 @@ endif
 ARCH			= linux
 
 DSO_CFLAGS		= -fPIC
-DSO_LDOPTS		= -shared $(ARCHFLAG) -z defs
+DSO_LDOPTS		= -shared $(ARCHFLAG) -Wl,-z,defs
 DSO_LDFLAGS		=
 LDFLAGS			+= $(ARCHFLAG)