Use inline keyword without underscores consistently

s/__inline__/inline
s/__inline/inline

Change-Id: I5d8d930a7a41d678a0795e7a608dacbb9eb8cb37
diff --git a/libc/include/android/legacy_termios_inlines.h b/libc/include/android/legacy_termios_inlines.h
index a816b40..e557525 100644
--- a/libc/include/android/legacy_termios_inlines.h
+++ b/libc/include/android/legacy_termios_inlines.h
@@ -39,14 +39,14 @@
 #include <sys/ioctl.h>
 #include <sys/types.h>
 
-#define __BIONIC_TERMIOS_INLINE static __inline
+#define __BIONIC_TERMIOS_INLINE static inline
 #include <bits/termios_inlines.h>
 
 #endif
 
 #if __ANDROID_API__ < 35
 
-#define __BIONIC_TERMIOS_WINSIZE_INLINE static __inline
+#define __BIONIC_TERMIOS_WINSIZE_INLINE static inline
 #include <bits/termios_winsize_inlines.h>
 
 #endif