[Bf-blender-cvs] [880c840c0bc] master: Fix macos compile error

[Jacques Lucke]

Commit: 880c840c0bc5a267c65c7a526883a37908c35060
Author: Jacques Lucke
Date:   Mon Mar 15 12:42:20 2021 +0100
Branches: master
https://developer.blender.org/rB880c840c0bc5a267c65c7a526883a37908c35060

Fix macos compile error

`std::get` does not seem to be available. Using `std::get_if` might work instead.

(Found the error on the buildbot.)

===================================================================

M	source/blender/editors/space_spreadsheet/spreadsheet_column_layout.cc

===================================================================

diff --git a/source/blender/editors/space_spreadsheet/spreadsheet_column_layout.cc b/source/blender/editors/space_spreadsheet/spreadsheet_column_layout.cc
index c90cf1a2955..4faf0cac2c0 100644
--- a/source/blender/editors/space_spreadsheet/spreadsheet_column_layout.cc
+++ b/source/blender/editors/space_spreadsheet/spreadsheet_column_layout.cc
@@ -114,7 +114,7 @@ class ColumnLayoutDrawer : public SpreadsheetDrawer {
     column.get_value(real_index, cell_value);
 
     if (std::holds_alternative<int>(cell_value.value)) {
-      const int value = std::get<int>(cell_value.value);
+      const int value = *std::get_if<int>(&cell_value.value);
       const std::string value_str = std::to_string(value);
       uiDefIconTextBut(params.block,
                        UI_BTYPE_LABEL,
@@ -133,7 +133,7 @@ class ColumnLayoutDrawer : public SpreadsheetDrawer {
                        nullptr);
     }
     else if (std::holds_alternative<float>(cell_value.value)) {
-      const float value = std::get<float>(cell_value.value);
+      const float value = *std::get_if<float>(&cell_value.value);
       std::stringstream ss;
       ss << std::fixed << std::setprecision(3) << value;
       const std::string value_str = ss.str();
@@ -154,7 +154,7 @@ class ColumnLayoutDrawer : public SpreadsheetDrawer {
                        nullptr);
     }
     else if (std::holds_alternative<bool>(cell_value.value)) {
-      const bool value = std::get<bool>(cell_value.value);
+      const bool value = *std::get_if<bool>(&cell_value.value);
       const int icon = value ? ICON_CHECKBOX_HLT : ICON_CHECKBOX_DEHLT;
       uiDefIconTextBut(params.block,
                        UI_BTYPE_LABEL,