minor fixes for lizard again

- add Lizard to Explorer Context menu
- fixed the .liz handler (can compress now)

C/7zVersion.h

@@ -1,7 +1,7 @@
 #define MY_VER_MAJOR 17
 #define MY_VER_MINOR 00
 #define MY_VER_BUILD 0
-#define MY_VERSION_NUMBERS "17.00 ZS v1.2.0 R5"
+#define MY_VERSION_NUMBERS "17.00 ZS v1.2.0 R6"
 #define MY_VERSION MY_VERSION_NUMBERS
 
 #ifdef MY_CPU_NAME

C/7zVersionTr.h

@@ -1,7 +1,7 @@
 #define MY_VER_MAJOR 1
 #define MY_VER_MINOR 2
 #define MY_VER_BUILD 0
-#define MY_VERSION_NUMBERS "1.2.0 R5"
+#define MY_VERSION_NUMBERS "1.2.0 R6"
 #define MY_VERSION         MY_VERSION_NUMBERS
 #define MY_DATE            "2017-05-28"
 #undef MY_COPYRIGHT

CPP/7zip/Archive/7z/7zUpdate.cpp

@@ -558,7 +558,7 @@ static int CompareEmptyItems(const unsigned *p1, const unsigned *p2, void *param
 }
 
 static const char *g_Exts =
-  " 7z xz lzma ace arc arj bz tbz bz2 tbz2 cab deb gz tgz ha lha lz tlz lz4 tlz4 lz5 tlz5 lzh lzo lzx pak rar rpm sit zoo zst"
+  " 7z xz lzma ace arc arj bz tbz bz2 tbz2 cab deb gz tgz ha lha liz tliz lz tlz lz4 tlz4 lz5 tlz5 lzh lzo lzx pak rar rpm sit zoo zst"
   " zip jar ear war msi"
   " 3gp avi mov mpeg mpg mpe wmv"
   " aac ape fla flac la mp3 m4a mp4 ofr ogg pac ra rm rka shn swa tta wv wma wav"

CPP/7zip/Archive/LizardHandler.cpp

@@ -357,7 +357,7 @@ STDMETHODIMP CHandler::SetProperties(const wchar_t * const *names, const PROPVAR
 static const Byte k_Signature[] = "0x184D2206";
 
 REGISTER_ARC_IO(
-  "liz", "liz tliz", "* .tar", 0x11,
+  "lizard", "liz tliz", "* .tar", 0x11,
   k_Signature,
   0,
   NArcInfoFlags::kKeepName,

CPP/7zip/UI/Explorer/ContextMenu.cpp

@@ -274,6 +274,7 @@ static const char * const kArcExts[] =
   , "bz2"
   , "gz"
   , "lz"
+  , "liz"
   , "lz4"
   , "lz5"
   , "rar"