tools: hv: Return the full kernel version

Currently, we are returning the same string for both OSBuildNumber
and OSVersion keys. Return the full uts string for the OSBuild
key since Windows does not impose any restrictions on this.
Signed-off-by: NK. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: NHaiyang Zhang <haiyangz@microsoft.com>
Reported-by: NClaudio Latini <claudio.latini@live.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

tools/hv/hv_kvp_daemon.c

@@ -88,6 +88,7 @@ static char *os_major = "";
 static char *os_minor = "";
 static char *processor_arch;
 static char *os_build;
+static char *os_version;
 static char *lic_version = "Unknown version";
 static struct utsname uts_buf;
 
@@ -453,7 +454,9 @@ void kvp_get_os_info(void)
 	char	*p, buf[512];
 
 	uname(&uts_buf);
-	os_build = uts_buf.release;
+	os_version = uts_buf.release;
+	os_build = strdup(uts_buf.release);
+
 	os_name = uts_buf.sysname;
 	processor_arch = uts_buf.machine;
 
@@ -462,7 +465,7 @@ void kvp_get_os_info(void)
 	 * string to be of the form: x.y.z
 	 * Strip additional information we may have.
 	 */
-	p = strchr(os_build, '-');
+	p = strchr(os_version, '-');
 	if (p)
 		*p = '\0';
 
@@ -1649,7 +1652,7 @@ int main(void)
 			strcpy(key_name, "OSMinorVersion");
 			break;
 		case OSVersion:
-			strcpy(key_value, os_build);
+			strcpy(key_value, os_version);
 			strcpy(key_name, "OSVersion");
 			break;
 		case ProcessorArchitecture: