Cleanup: single quotes for Python enums, spelling

source/blender/blenlib/BLI_virtual_array.hh

@@ -221,7 +221,7 @@ template<typename T> class VArrayForSingle final : public VArray<T> {
  * exponential number of function instantiations (increasing compile time and binary size).
  *
  * Generally, this function should only be used when the virtual method call overhead to get an
- * element from a virtual array is signifant.
+ * element from a virtual array is significant.
  */
 template<typename T, typename Func>
 inline void devirtualize_varray(const VArray<T> &varray, const Func &func, bool enable = true)

source/blender/blenloader/intern/versioning_290.c

@@ -103,7 +103,7 @@ static eSpaceSeq_Proxy_RenderSize get_sequencer_render_size(Main *bmain)
   return render_size;
 }
 
-static bool can_use_proxy(Sequence *seq, int psize)
+static bool can_use_proxy(const Sequence *seq, int psize)
 {
   if (seq->strip->proxy == NULL) {
     return false;