Stop some compiler warnings due to lack of trailing newlines.

git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@5168 212acab6-be3b-0410-9dea-997c60f758d6

Contrib/System/Source/Buffers.c

@@ -109,4 +109,4 @@ PLUGINFUNCTION(Store)
 
     GlobalFree((HANDLE) command);
 }
-PLUGINFUNCTIONEND
+PLUGINFUNCTIONEND

Contrib/System/Source/Plugin.c

@@ -170,4 +170,4 @@ HANDLE GlobalCopy(HANDLE Old)
 void main()
 {
 }
-#endif
+#endif

Contrib/System/Source/stdafx.h

@@ -10,4 +10,4 @@
 #include <windows.h>
 
 // TODO: reference additional headers your program requires here
-//#define SYSTEM_LOG_DEBUG
+//#define SYSTEM_LOG_DEBUG