Fixed printf of long and unsigned types in hexadecimal

"%x" format specifier was ignoring preceding "l" or "ll" specifiers, and
casting everything to int (rather than unsigned).

Author: RussellJoyce

c-tests/long.c

@@ -0,0 +1,14 @@
+#include <stdio.h>
+
+int main(void) {
+    unsigned long a = 1;
+
+    printf("%2d: 0x%016lx\n", 0, a);
+
+	for (int i = 1; i < 65; i++) {
+	    a <<= 1;
+	    printf("%2d: 0x%016llx\n", i, a);
+	}
+
+	return 0;
+}

cstdlib/stdio.c

@@ -282,7 +282,15 @@ int StdioBasePrintf(struct ParseState *Parser, FILE *Stream, char *StrOut,
                 case 'o':
                 case 'x':
                 case 'X':
-                    ShowType = &pc->IntType;
+                    if (ShowLong == 1) {
+                        ShowLong = 0;
+                        ShowType = &pc->UnsignedLongType;
+                    } else if (ShowLong > 1) {
+                        ShowLong = 0;
+                        ShowType = &pc->UnsignedLongLongType;
+                    } else {
+                        ShowType = &pc->UnsignedIntType;
+                    }
                     break; /* integer base conversions */
                 case 'l':
                     ShowLong++;