tweak the FLAC__INLINE macro to FLaC__INLINE to avoid conflict with autoconf
diff --git a/configure.in b/configure.in
index a0ea301..63199fa 100644
--- a/configure.in
+++ b/configure.in
@@ -142,7 +142,7 @@
 else
 	CFLAGS="$CFLAGS -O3 -DNDEBUG"
 	if test x$GCC = xyes; then
-		CFLAGS="$CFLAGS -fomit-frame-pointer -funroll-loops -finline-functions -Winline -DFLAC__INLINE=__inline__"
+		CFLAGS="$CFLAGS -fomit-frame-pointer -funroll-loops -finline-functions -Winline -DFLaC__INLINE=__inline__"
 	fi
 fi
 CFLAGS="$CFLAGS $SAVE_CFLAGS"