Internal: fixed compiler warnings

Source/Core/General/General.cs

@@ -40,10 +40,7 @@ using CodeImp.DoomBuilder.Plugins;
 using CodeImp.DoomBuilder.Rendering;
 using CodeImp.DoomBuilder.Types;
 using CodeImp.DoomBuilder.Windows;
-using Microsoft.Win32;
 using SlimDX.Direct3D9;
-using System.Security;
-using System.Security.Permissions;
 
 #endregion
 
@@ -2147,7 +2144,7 @@ namespace CodeImp.DoomBuilder
                 File.Delete(testFile);
                 return true;
             }
-            catch (Exception e)
+            catch (Exception)
             {
                 return false;
             }

Source/Core/Properties/AssemblyInfo.cs

@@ -30,6 +30,6 @@ using CodeImp.DoomBuilder;
 //      Build Number
 //      Revision
 //
-[assembly: AssemblyVersion("2.3.0.2948")]
+[assembly: AssemblyVersion("2.3.0.2949")]
 [assembly: NeutralResourcesLanguageAttribute("en")]
-[assembly: AssemblyHash("dceeed6")]
+[assembly: AssemblyHash("579b90a")]

Source/Plugins/BuilderModes/Properties/AssemblyInfo.cs

@@ -29,5 +29,5 @@ using System.Resources;
 //      Build Number
 //      Revision
 //
-[assembly: AssemblyVersion("2.3.0.2948")]
+[assembly: AssemblyVersion("2.3.0.2949")]
 [assembly: NeutralResourcesLanguageAttribute("en")]