Removed workaround for unspecified build problem on MinGW.

Tested that MinGW/MSYS builds fine without that.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128033 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/cmake/modules/AddLLVM.cmake b/cmake/modules/AddLLVM.cmake
index 5e0e32a..f0dc106 100755
--- a/cmake/modules/AddLLVM.cmake
+++ b/cmake/modules/AddLLVM.cmake
@@ -84,11 +84,9 @@
   if( LLVM_COMMON_DEPENDS )
     add_dependencies( ${name} ${LLVM_COMMON_DEPENDS} )
   endif( LLVM_COMMON_DEPENDS )
-  if( NOT MINGW )
-    get_system_libs(llvm_system_libs)
-    if( llvm_system_libs )
-      target_link_libraries(${name} ${llvm_system_libs})
-    endif()
+  get_system_libs(llvm_system_libs)
+  if( llvm_system_libs )
+    target_link_libraries(${name} ${llvm_system_libs})
   endif()
 endmacro(add_llvm_executable name)