Partial backport of:

commit 7a2ad8cf392acfcaef319e722dda9101d4d8b6bd
Author: Adhemerval Zanella <azanella@linux.vnet.ibm.com>
Date:   Wed Nov 13 06:45:19 2013 -0600

    PowerPC: Fix __fe_mask_env export
    
    This patch does not export __fe_mask_env anymore, only providing a
    compatibility symbol. It fixes BZ#14143.

Only the removal of the unused variable is included here.

diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_mask.c b/sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_mask.c
index e4bcd9800ddf1f33..dd57b9220317a075 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_mask.c
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_mask.c
@@ -27,9 +27,8 @@ const fenv_t *
 __fe_mask_env (void)
 {
 #if defined PR_SET_FPEXC && defined PR_FP_EXC_DISABLED
-  int result;
   INTERNAL_SYSCALL_DECL (err);
-  result = INTERNAL_SYSCALL (prctl, err, 2, PR_SET_FPEXC, PR_FP_EXC_DISABLED);
+  INTERNAL_SYSCALL (prctl, err, 2, PR_SET_FPEXC, PR_FP_EXC_DISABLED);
 #else
   __set_errno (ENOSYS);
 #endif
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_nomask.c b/sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_nomask.c
index 46b94789801b73e5..03eb855d3bef33e5 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_nomask.c
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_nomask.c
@@ -27,9 +27,8 @@ const fenv_t *
 __fe_nomask_env (void)
 {
 #if defined PR_SET_FPEXC && defined PR_FP_EXC_PRECISE
-  int result;
   INTERNAL_SYSCALL_DECL (err);
-  result = INTERNAL_SYSCALL (prctl, err, 2, PR_SET_FPEXC, PR_FP_EXC_PRECISE);
+  INTERNAL_SYSCALL (prctl, err, 2, PR_SET_FPEXC, PR_FP_EXC_PRECISE);
 #else
   __set_errno (ENOSYS);
 #endif