Fix memcpy overlapping buffers

This crashes with ASAN enabled.
```
==39366==ERROR: AddressSanitizer: memcpy-param-overlap: memory ranges [0x6230000ae848,0x6230000ae85a) and [0x6230000ae851, 0x6230000ae863) overlap
```

1 files changed, 4 insertions, 2 deletions

diff --git a/source/blender/blenloader/intern/versioning_280.c b/source/blender/blenloader/intern/versioning_280.c
index d53b6cde4ae..7904e51a516 100644
--- a/source/blender/blenloader/intern/versioning_280.c
+++ b/source/blender/blenloader/intern/versioning_280.c
@@ -4410,10 +4410,12 @@ void blo_do_versions_280(FileData *fd, Library *UNUSED(lib), Main *bmain)
       ColorManagedViewSettings *view_settings;
       view_settings = &scene->view_settings;
       if (BLI_str_startswith(view_settings->look, "Filmic - ")) {
-        STRNCPY(view_settings->look, view_settings->look + strlen("Filmic - "));
+        char *src = view_settings->look + strlen("Filmic - ");
+        memmove(view_settings->look, src, strlen(src) + 1);
       }
       else if (BLI_str_startswith(view_settings->look, "Standard - ")) {
-        STRNCPY(view_settings->look, view_settings->look + strlen("Standard - "));
+        char *src = view_settings->look + strlen("Standard - ");
+        memmove(view_settings->look, src, strlen(src) + 1);
       }
     }