On MacOS the minor version number needs to be printed with two characters

other wise Smalltalk getSystemAttribute: 1002 answers 110.1 on Big Sur 11.0
instead of 1100.1 as expected.

Author: eliotmiranda

platforms/iOS/vm/OSX/sqSqueakOSXApplication+attributes.m

@@ -64,7 +64,7 @@ - (char *) getAttribute:(sqInt)indexNumber {
 	case 1002:  { /* OS name: "solaris2.5" on unix, "win95" on win32, ... */
         static char data[32] = { 0 };
         NSOperatingSystemVersion version = [self getOperatingSystemVersion];
-        sprintf(data,"%ld%ld.%ld",
+        sprintf(data,"%ld%02ld.%ld",
                 (long)version.majorVersion,
                 (long)version.minorVersion,
                 (long)version.patchVersion);