cosmetic: fix excess space in log output (typo)

There shouldn't be a space between the end of a sentence and a
punctuation mark.

Change-Id: I33f9b8c803ccd185ffa370d235363423d82ba9c7

pySim/transport/__init__.py

@@ -101,5 +101,5 @@ class LinkBase(object):
 				sw_masked = sw_masked + rv[1][i].lower()
 
 		if sw.lower() != sw_masked:
-			raise RuntimeError("SW match failed ! Expected %s and got %s." % (sw.lower(), rv[1]))
+			raise RuntimeError("SW match failed! Expected %s and got %s." % (sw.lower(), rv[1]))
 		return rv