Fix x86_mscoff/-m32mscoff build.

appveyor.yml

@@ -9,6 +9,10 @@ environment:
     DVersion: 2.073.0
     arch: x86
     config: select
+  - DC: dmd
+    DVersion: 2.073.0
+    arch: x86_mscoff
+    config: select
   - DC: dmd
     DVersion: 2.072.2
     arch: x64

dub.sdl

@@ -7,7 +7,6 @@ targetType "library"
 
 libs "anl" platform="linux"
 libs "ws2_32" "user32" platform="windows"
-sourceFiles "lib/ws2_32.lib" platform="windows-x86-dmd"
 
 dependency "taggedalgebraic" version="~>0.10.4"
 
@@ -22,14 +21,27 @@ configuration "kqueue" {
 }
 
 configuration "winapi" {
-	platforms "windows"
+	platforms "windows-x86_64" "windows-x86_mscoff"
 	versions "EventcoreWinAPIDriver"
 }
 
 configuration "select" {
+	platforms "posix" "windows-x86_64" "windows-x86_mscoff"
 	versions "EventcoreSelectDriver"
 }
 
+configuration "winapi-optlink" {
+	platforms "windows-x86-dmd"
+	versions "EventcoreWinAPIDriver"
+	sourceFiles "lib/ws2_32.lib"
+}
+
+configuration "select-optlink" {
+	platforms "windows-x86-dmd"
+	versions "EventcoreSelectDriver"
+	sourceFiles "lib/ws2_32.lib"
+}
+
 configuration "libasync" {
 	dependency "libasync" version="~>0.8.2"
 	versions "EventcoreLibasyncDriver"