Update patchlevel status to NH_STATUS_RELEASED for xNetHack 9.1

Since the Windows build files had not been updated to refer to 9.1 when
I initially changed the patchlevel version, I had to do them in this
commit.

Author: copperwater

include/patchlevel.h

@@ -30,7 +30,7 @@
 /*
  * Development status of this NetHack version.
  */
-#define NH_DEVEL_STATUS NH_STATUS_WIP
+#define NH_DEVEL_STATUS NH_STATUS_RELEASED
 
 #ifndef DEBUG  /* allow tool chains to define without causing warnings */
 #define DEBUG

sys/windows/Makefile.nmake

@@ -160,7 +160,7 @@ GIT_AVAILABLE=Y
 #==============================================================================
 #
 #  The version of the game this Makefile was designed for
-XNETHACK_VERSION="9.0.0"
+XNETHACK_VERSION="9.1.0"
 
 # A brief version for use in macros
 NHV=$(XNETHACK_VERSION:.=)

sys/windows/vs/FetchPrereq/fetchprereq.nmake

@@ -2,7 +2,7 @@
 #==============================================================================
 #
 #  The version of the game this Makefile was designed for
-XNETHACK_VERSION="9.0.0"
+XNETHACK_VERSION="9.1.0"
 
 # A brief version for use in macros
 NHV=$(XNETHACK_VERSION:.=)

sys/windows/vs/NetHackProperties.props

@@ -3,7 +3,7 @@
   <ImportGroup Label="PropertySheets" />
   <PropertyGroup Label="UserMacros">
     <VERSION_MAJOR>9</VERSION_MAJOR>
-    <VERSION_MINOR>0</VERSION_MINOR>
+    <VERSION_MINOR>1</VERSION_MINOR>
     <PATCHLEVEL>0</PATCHLEVEL>
     <XNETHACK_VERSION>$(VERSION_MAJOR).$(VERSION_MINOR).$(PATCHLEVEL)</XNETHACK_VERSION>
     <LUA_MAJOR_VERSION>5</LUA_MAJOR_VERSION>

sys/windows/vs/package/package.nmake

@@ -4,7 +4,7 @@
 #  The version of the game this Makefile was designed for
 
 !IFNDEF XNETHACK_VERSION
-XNETHACK_VERSION="9.0.0"
+XNETHACK_VERSION="9.1.0"
 !MESSAGE XNETHACK_VERSION set to $(XNETHACK_VERSION).
 !ELSE
 !MESSAGE XNETHACK_VERSION set to $(XNETHACK_VERSION) by caller.