[PATCH][powerpc] Fix tiny bug in strncmp.c

[Paul Clarke]

A single underscore was omitted in
sysdeps/powerpc/powerpc64/multiarch/strncmp.c, resulting in use of
power8 version of strncmp instead of power9 version, with significant
performance degradation.

2019-01-15  Paul A. Clarke  <pc@us.ibm.com>

	* sysdeps/powerpc/powerpc64/multiarch/strncmp.c: Fix #ifdef.

diff --git a/sysdeps/powerpc/powerpc64/multiarch/strncmp.c b/sysdeps/powerpc/powerpc64/multiarch/strncmp.c
index ab7379d..d2791ce 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/strncmp.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/strncmp.c
@@ -37,7 +37,7 @@ extern __typeof (strncmp) __strncmp_power9 attribute_hidden;
 /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
    ifunc symbol properly.  */
 libc_ifunc_redirected (__redirect_strncmp, strncmp,
-# ifdef __LITTLE_ENDIAN_
+# ifdef __LITTLE_ENDIAN__
 			(hwcap2 & PPC_FEATURE2_ARCH_3_00)
 			? __strncmp_power9 :
 # endif