[LyX/2.3.x] Safer 0.x version test

[Juergen Spitzmueller]

commit f489ecab9945ad9f07fa98a575bb7c66988c8afd
Author: Juergen Spitzmueller <spitz at lyx.org>
Date:   Fri May 15 15:22:14 2020 +0200

    Safer 0.x version test
    
    (cherry picked from commit d5079c2e73cd8e6a9f4261bf610ec6147b0226d2)
---
 lib/configure.py |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/lib/configure.py b/lib/configure.py
index 8f70066..1eb4043 100644
--- a/lib/configure.py
+++ b/lib/configure.py
@@ -554,7 +554,7 @@ def checkInkscape():
 def checkInkscapeStable():
     ''' Check whether we use Inkscape >= 1.0 '''
     version_string = cmdOutput("inkscape --version")
-    if version_string.find('0.9') > 0:
+    if version_string.find(' 0.') > 0:
         return False
     else:
         return True