Remove a few NULLs

Just {} is used in a lot of places now, and there's nothing
special abose those few.

src/locale/localed.c

@@ -118,21 +118,7 @@ static const char * const names[_PROP_MAX] = {
         [PROP_LC_IDENTIFICATION] = "LC_IDENTIFICATION"
 };
 
-static char *data[_PROP_MAX] = {
-        NULL,
-        NULL,
-        NULL,
-        NULL,
-        NULL,
-        NULL,
-        NULL,
-        NULL,
-        NULL,
-        NULL,
-        NULL,
-        NULL,
-        NULL
-};
+static char *data[_PROP_MAX] = {};
 
 typedef struct State {
         char *x11_layout, *x11_model, *x11_variant, *x11_options;

src/shared/install.c

@@ -1735,7 +1735,7 @@ int unit_file_preset(
                 unsigned *n_changes) {
 
         LookupPaths _cleanup_lookup_paths_free_ paths = {};
-        InstallContext _cleanup_install_context_done_ plus = {}, minus = {NULL};
+        InstallContext _cleanup_install_context_done_ plus = {}, minus = {};
         char **i;
         char _cleanup_free_ *config_path = NULL;
         Set _cleanup_set_free_free_ *remove_symlinks_to = NULL;