FAT: Fix build under KDEBUG_LEVEL < 2.

For now, use ASSERT_ALWAYS in a few places.

src/add-ons/kernel/file_systems/fat/bsd/kern/vfs_bio.c

@@ -128,7 +128,7 @@ _bwrite(struct buf* buf)
 		ASSERT((fatNode->de_Attributes & ATTR_READONLY) == 0);
 
 		fileOffset = de_cn2off(fatVolume, buf->b_lblkno);
-		ASSERT((u_long)(fileOffset + buf->b_bufsize) <= fatNode->de_FileSize);
+		ASSERT_ALWAYS((u_long)(fileOffset + buf->b_bufsize) <= fatNode->de_FileSize);
 
 		bytesWritten = (size_t)buf->b_bufsize;
 		status = file_cache_write(bsdNode->v_cache, NULL, fileOffset, buf->b_data, &bytesWritten);

src/add-ons/kernel/file_systems/fat/bsd/kern/vfs_vnops.c

@@ -71,7 +71,7 @@ vn_vget_ino_gen(struct vnode* vp, vn_get_ino_t alloc, void* alloc_arg, int lkfla
 		= (uint64)fatVolume->pm_bpcluster * dotdotLocation->cluster + dotdotLocation->blkoff;
 
 	status_t status = assign_inode(bsdVolume, (ino_t*)&inode);
-	ASSERT(status == B_OK && node_exists(bsdVolume, inode));
+	ASSERT_ALWAYS(status == B_OK && node_exists(bsdVolume, inode));
 		// It's important that this node has already been constructed.
 		// If it hasn't, then deget will construct a private node without publishing it to the VFS.
 

src/add-ons/kernel/file_systems/fat/bsd/sys/lockmgr.h

@@ -73,7 +73,7 @@ lockmgr_assert(const struct lock* lk, int what)
 {
 #ifndef FS_SHELL
 	if (what == KA_XLOCKED)
-		ASSERT_WRITE_LOCKED_RW_LOCK(&lk->haikuRW)
+		ASSERT_WRITE_LOCKED_RW_LOCK(&lk->haikuRW);
 	else
 		panic("lockmgr_assert:  unrecognized flag\n");
 #endif // !FS_SHELL