[gcc(refs/vendors/ARM/heads/arm-struct-reorg-wip)] Fix typo in a macro usage.

[Tamar Christina]

https://gcc.gnu.org/g:142d68f50b48309f48e34fc1d9d6dbbeecfde684

commit 142d68f50b48309f48e34fc1d9d6dbbeecfde684
Author: Martin Liska <mliska@suse.cz>
Date:   Wed Apr 1 09:37:37 2020 +0200

    Fix typo in a macro usage.
    
            PR lto/94249
            * plugin-api.h: Fix a typo.

Diff:
---
 include/ChangeLog    | 6 ++++++
 include/plugin-api.h | 2 +-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/include/ChangeLog b/include/ChangeLog
index a59560caf7e..64bcd210ca2 100644
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,9 @@
+2020-04-01  Martin Liska  <mliska@suse.cz>
+	    Maciej W. Rozycki <macro@linux-mips.org>
+
+	PR lto/94249
+	* plugin-api.h: Fix a typo.
+
 2020-03-24  Martin Liska  <mliska@suse.cz>
 
 	PR lto/94249
diff --git a/include/plugin-api.h b/include/plugin-api.h
index 864d2bf91ac..e317d784785 100644
--- a/include/plugin-api.h
+++ b/include/plugin-api.h
@@ -51,7 +51,7 @@
 /* Older GCC releases (<4.6.0) can make detection from glibc macros.  */
 #if defined(__GLIBC__) || defined(__GNU_LIBRARY__) || defined(__ANDROID__)
 #include <endian.h>
-#ifdef _BYTE_ORDER
+#ifdef __BYTE_ORDER
 #if __BYTE_ORDER == __LITTLE_ENDIAN
 #define PLUGIN_LITTLE_ENDIAN 1
 #elif __BYTE_ORDER == __BIG_ENDIAN