Fix incorrect endif location that broke the build.

Author: jkoritzinsky

src/libraries/Common/src/Interop/Windows/Kernel32/Interop.GetFullPathNameW.cs

@@ -16,8 +16,8 @@ internal static partial class Kernel32
         internal static partial uint GetFullPathNameW(
 #else
         [DllImport(Libraries.Kernel32, BestFitMapping = false, CharSet = CharSet.Unicode, ExactSpelling = true, SetLastError = true)]
-#endif
         internal static extern uint GetFullPathNameW(
+#endif
             ref char lpFileName,
             uint nBufferLength,
             ref char lpBuffer,

src/libraries/Common/src/Interop/Windows/Kernel32/Interop.GetLongPathNameW.cs

@@ -15,8 +15,8 @@ internal static partial class Kernel32
         internal static partial uint GetLongPathNameW(
 #else
         [DllImport(Libraries.Kernel32, BestFitMapping = false, CharSet = CharSet.Unicode, ExactSpelling = true, SetLastError = true)]
-#endif
         internal static extern uint GetLongPathNameW(
+#endif
             ref char lpszShortPath,
             ref char lpszLongPath,
             uint cchBuffer);