Remove the rest of edundant "? 1 : 0".

Signed-off-by: Cyril Hrubis <chrubis@suse.cz>
diff --git a/lib/tst_is_cwd.c b/lib/tst_is_cwd.c
index 0e6c97d..636aaca 100644
--- a/lib/tst_is_cwd.c
+++ b/lib/tst_is_cwd.c
@@ -18,7 +18,7 @@
 	statfs(".", &sf);
 
 	/* Verify that the file is not on a tmpfs (in-memory) filesystem */
-	return sf.f_type == TMPFS_MAGIC ? 1 : 0;
+	return (sf.f_type == TMPFS_MAGIC);
 }
 
 #define NFS_MAGIC 0x6969 /* man 2 statfs */
@@ -28,7 +28,7 @@
 	statfs(".", &sf);
 
 	/* Verify that the file is not on a nfs filesystem */
-	return sf.f_type == NFS_MAGIC ? 1 : 0;
+	return (sf.f_type == NFS_MAGIC);
 }
 
 #define V9FS_MAGIC 0x01021997 /* kernel-source/include/linux/magic.h */
@@ -48,5 +48,5 @@
 	statfs(".", &sf);
 
 	/* Verify that the file is not on a ramfs (in-memory) filesystem */
-	return sf.f_type == RAMFS_MAGIC ? 1 : 0;
-}
\ No newline at end of file
+	return (sf.f_type == RAMFS_MAGIC);
+}