PATCH for ticket 7026

[Stephan Witt]

The attached patch for http://www.lyx.org/trac/ticket/7026 seems to be correct.
The only thing: I don't understand why it should crash with isdigit() instead 
of iswdigit()...

Stephan


Index: src/support/lstrings.cpp
===================================================================
--- src/support/lstrings.cpp    (Revision 36309)
+++ src/support/lstrings.cpp    (Arbeitskopie)
@@ -323,9 +323,7 @@
        docstring::const_iterator cit = str.begin();
        docstring::const_iterator const end = str.end();
        for (; cit != end; ++cit) {
-               if (*cit == ' ')
-                       continue;
-               if (isdigit((*cit)))
+               if (iswdigit((*cit)))
                        return true;
        }
        return false;