[libxml2] Remove occasional leading space in XPath number formatting

[Daniel Veillard <veillard src gnome org>]

commit b9e4d5b6395f9aa0a34cb74e9a3672a20d37b943
Author: Daniel Veillard <veillard redhat com>
Date:   Mon Jul 22 13:21:31 2013 +0800

    Remove occasional leading space in XPath number formatting
    
    https://bugzilla.gnome.org/show_bug.cgi?id=704528
    
    Somehow snprintf "%*.*e" can generate a leading space, remove it

 xpath.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/xpath.c b/xpath.c
index 97410e7..4fa53df 100644
--- a/xpath.c
+++ b/xpath.c
@@ -2885,6 +2885,12 @@ xmlXPathFormatNumber(double number, char buffer[], int buffersize)
                                fraction_place, number);
            }
 
+           /* Remove leading spaces sometimes inserted by snprintf */
+           while (work[0] == ' ') {
+               for (ptr = &work[0];(ptr[0] = ptr[1]);ptr++);
+               size--;
+           }
+
            /* Remove fractional trailing zeroes */
            after_fraction = work + size;
            ptr = after_fraction;