tools: lzma: reduce copyright noise

Move the copyright printing code to the usage printing function, to
reduce noise from regular execution but preserve information about
the author.

Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>

tools/lzma/patches/101-move-copyright-to-usage-info.patch

@@ -0,0 +1,20 @@
+--- a/CPP/7zip/Compress/LZMA_Alone/LzmaAlone.cpp
++++ b/CPP/7zip/Compress/LZMA_Alone/LzmaAlone.cpp
+@@ -101,6 +101,8 @@ static const int kNumSwitches = sizeof(k
+ 
+ static void PrintHelp()
+ {
++  fprintf(stderr, "\nLZMA " MY_VERSION_COPYRIGHT_DATE "\n");
++
+   fprintf(stderr, "\nUsage:  LZMA <e|d> inputFile outputFile [<switches>...]\n"
+              "  e: encode file\n"
+              "  d: decode file\n"
+@@ -168,8 +170,6 @@ int main2(int n, const char *args[])
+   g_IsNT = IsItWindowsNT();
+   #endif
+ 
+-  fprintf(stderr, "\nLZMA " MY_VERSION_COPYRIGHT_DATE "\n");
+-
+   if (n == 1)
+   {
+     PrintHelp();