Added ImGuiStyleVar_GrabMinSize enum value for PushStyleVar()

imgui.cpp

@@ -3382,6 +3382,7 @@ static float* GetStyleVarFloatAddr(ImGuiStyleVar idx)
     case ImGuiStyleVar_ChildWindowRounding: return &g.Style.ChildWindowRounding;
     case ImGuiStyleVar_FrameRounding: return &g.Style.FrameRounding;
     case ImGuiStyleVar_TreeNodeSpacing: return &g.Style.TreeNodeSpacing;
+    case ImGuiStyleVar_GrabMinSize: return &g.Style.GrabMinSize;
     }
     return NULL;
 }

imgui.h

@@ -502,7 +502,8 @@ enum ImGuiStyleVar_
     ImGuiStyleVar_FrameRounding,       // float
     ImGuiStyleVar_ItemSpacing,         // ImVec2
     ImGuiStyleVar_ItemInnerSpacing,    // ImVec2
-    ImGuiStyleVar_TreeNodeSpacing      // float
+    ImGuiStyleVar_TreeNodeSpacing,     // float
+    ImGuiStyleVar_GrabMinSize          // float
 };
 
 // Enumeration for ColorEditMode()