Attempt to fix Windows build

Author: a7medev

CMakeLists.txt

@@ -33,6 +33,7 @@ find_package(SwiftASN1 CONFIG REQUIRED)
 find_package(SwiftCrypto CONFIG REQUIRED)
 find_package(SwiftToolsProtocols CONFIG REQUIRED)
 find_package(SwiftMarkdown CONFIG REQUIRED)
+find_package(cmark-gfm CONFIG REQUIRED)
 
 include(SwiftSupport)
 

Sources/SwiftLanguageService/CMakeLists.txt

@@ -60,9 +60,11 @@ target_link_libraries(SwiftLanguageService PUBLIC
   SourceKitLSP
   ToolchainRegistry
   IndexStoreDB
-  SwiftMarkdown::Markdown
   SwiftSyntax::SwiftBasicFormat
   SwiftSyntax::SwiftSyntax
+  SwiftMarkdown::Markdown
+  libcmark-gfm
+  libcmark-gfm-extensions
 )
 
 target_link_libraries(SwiftLanguageService PRIVATE