[libxslt] Round xsl:number values to nearest integer

[Nick Wellnhofer <nwellnhof src gnome org>]

commit 345e0bfb1c1131155a32dfbdfc8f78d1c602dc40
Author: Nick Wellnhofer <wellnhofer aevum de>
Date:   Sun Apr 10 12:50:02 2016 +0200

    Round xsl:number values to nearest integer
    
    This matches XSLT 2.0 behavior.

 libxslt/numbers.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/libxslt/numbers.c b/libxslt/numbers.c
index 184ee6f..eb087bc 100644
--- a/libxslt/numbers.c
+++ b/libxslt/numbers.c
@@ -440,6 +440,8 @@ xsltNumberFormatInsertNumbers(xsltNumberDataPtr data,
     for (i = 0; i < numbers_max; i++) {
        /* Insert number */
        number = numbers[(numbers_max - 1) - i];
+        /* Round to nearest like XSLT 2.0 */
+        number = floor(number + 0.5);
        if (i < tokens->nTokens) {
          /*
           * The "n"th format token will be used to format the "n"th