Fix bug reported by engard.ferenc at innomed.hu whereby using the %f format

in sprintf with a value like 0.025 produced 0.250.  We were dropping the
leading zeros before the fractional digits.

lib/snprintf.c

@@ -53,6 +53,9 @@
  *    got rid of fcvt code (twas buggy and made testing harder)
  *    added C99 semantics
  *
+ *  Paul Green (paulg@samba.org) April 9, 2003
+ *    fixed handling of %f when converting fractions with leading zeros.
+ *    (e.g., 0.025).
  **************************************************************/
 
 #ifndef NO_CONFIG_H /* for some tests */
@@ -725,15 +728,15 @@ static void fmtfp (char *buffer, size_t *currlen, size_t maxlen,
 	if (max > 0) {
 		dopr_outch (buffer, currlen, maxlen, '.');
 		
+		while (zpadlen > 0) {
+		  dopr_outch (buffer, currlen, maxlen, '0');
+		  --zpadlen;
+		}
+
 		while (fplace > 0) 
 			dopr_outch (buffer, currlen, maxlen, fconvert[--fplace]);
 	}
 	
-	while (zpadlen > 0) {
-		dopr_outch (buffer, currlen, maxlen, '0');
-		--zpadlen;
-	}
-
 	while (padlen < 0) {
 		dopr_outch (buffer, currlen, maxlen, ' ');
 		++padlen;