patch 9.1.0370: MS-Windows: patch number is zero in installer

Problem:  MS-Windows: patch number is zero in installer
          (jonathan-b-wiebe)
Solution: Set VIM_VERSION_PATCHLEVEL, fix a few typos in the installer
          (RestorerZ)

fixes: #14629
closes: #14635

Signed-off-by: RestorerZ <restorer@mail2k.ru>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/nsis/gvim.nsi b/nsis/gvim.nsi
index b8ef079..31f6260 100644
--- a/nsis/gvim.nsi
+++ b/nsis/gvim.nsi
@@ -225,7 +225,7 @@
 # Version resources
 
 VIAddVersionKey /LANG=${LANG_ENGLISH} "ProductName" "Vim"
-VIAddVersionKey /LANG=${LANG_ENGLISH} "CompanyName" "Vim Developers"
+VIAddVersionKey /LANG=${LANG_ENGLISH} "CompanyName" "The Vim Project"
 VIAddVersionKey /LANG=${LANG_ENGLISH} "LegalTrademarks" "Vim"
 VIAddVersionKey /LANG=${LANG_ENGLISH} "LegalCopyright" "Copyright (C) 1996"
 VIAddVersionKey /LANG=${LANG_ENGLISH} "FileDescription" "Vi Improved - A Text Editor"
diff --git a/src/Make_mvc.mak b/src/Make_mvc.mak
index aec9efa..4d03a72 100644
--- a/src/Make_mvc.mak
+++ b/src/Make_mvc.mak
@@ -1321,6 +1321,10 @@
 
 CFLAGS_INST = /nologo /O2 -DNDEBUG -DWIN32 -DWINVER=$(WINVER) -D_WIN32_WINNT=$(WINVER) $(CFLAGS_DEPR)
 
+!IFDEF PATCHLEVEL
+CFLAGS_INST=	$(CFLAGS_INST) -DVIM_VERSION_PATCHLEVEL=$(PATCHLEVEL)
+!ENDIF
+
 install.exe: dosinst.c dosinst.h version.h
 	$(CC) $(CFLAGS_INST) dosinst.c kernel32.lib shell32.lib \
 		user32.lib ole32.lib advapi32.lib uuid.lib \
diff --git a/src/dosinst.c b/src/dosinst.c
index 35625a7..116cc8f 100644
--- a/src/dosinst.c
+++ b/src/dosinst.c
@@ -1663,7 +1663,7 @@
 	uninstall_string,
 	icon_string,
 	version_string,
-	"Bram Moolenaar et al.");
+	"The Vim Project");
     if (ERROR_SUCCESS != lRet)
 	return FAIL;
 
diff --git a/src/version.c b/src/version.c
index 658a410..dc903ed 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    370,
+/**/
     369,
 /**/
     368,