Typo fix in testdup.sh

Signed-off-by: Yury V. Zaytsev <yury@shurup.com>

maint/testdup.sh

@@ -1,11 +1,11 @@
 #!/bin/sh
 
-echo "test lib/*"
+echo "test src/*"
 for i in `find src -name '*.[ch]'`; do
     ./maint/dupincludes.pl $i
 done
 
-echo "test srs/*"
+echo "test lib/*"
 for i in `find lib -name '*.[ch]'`; do
     ./maint/dupincludes.pl $i
 done