tweak new_file() to use mallocstrcpy() instead of charalloc() followed
by a null character initialization, for consistency


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@2264 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
diff --git a/src/files.c b/src/files.c
index 96abdb2..0df6c8f 100644
--- a/src/files.c
+++ b/src/files.c
@@ -45,8 +45,7 @@
 void new_file(void)
 {
     fileage = make_new_node(NULL);
-    fileage->data = charalloc(1);
-    fileage->data[0] = '\0';
+    fileage->data = mallocstrcpy(NULL, "");
     filebot = fileage;
     edittop = fileage;
     current = fileage;