Use inline keyword without underscores consistently

s/__inline__/inline
s/__inline/inline

Change-Id: I5d8d930a7a41d678a0795e7a608dacbb9eb8cb37
diff --git a/libc/dns/resolv/res_cache.c b/libc/dns/resolv/res_cache.c
index f4c590f..d6416e5 100644
--- a/libc/dns/resolv/res_cache.c
+++ b/libc/dns/resolv/res_cache.c
@@ -1166,14 +1166,14 @@
     }
 }
 
-static __inline__ void
+static inline void
 entry_mru_remove( Entry*  e )
 {
     e->mru_prev->mru_next = e->mru_next;
     e->mru_next->mru_prev = e->mru_prev;
 }
 
-static __inline__ void
+static inline void
 entry_mru_add( Entry*  e, Entry*  list )
 {
     Entry*  first = list->mru_next;