tests: Fix stray ")" in test script py2lcov.sh (#340)

Symptom was:
> # sudo make install PREFIX=/usr CFG_DIR=/etc
> [..]
> ./py2lcov.sh: line 100: --version-script ${SCRIPT_DIR}/gitversion${MD5_OPT)}: bad substitution
> [..]                                                                      ^

Regression from commit 747a891

Signed-off-by: Sebastian Pipping <[email protected]>

Author: hartwork

tests/py2lcov/py2lcov.sh

@@ -97,7 +97,7 @@ fi
 git -C . rev-parse > /dev/null 2>&1
 if [ 0 == $? ] ; then
     # this is git
-    VERSION="--version-script ${SCRIPT_DIR}/gitversion${MD5_OPT)}"
+    VERSION="--version-script ${SCRIPT_DIR}/gitversion${MD5_OPT}"
     ANNOTATE="--annotate-script ${SCRIPT_DIR}/gitblame.pm,--cache,my_cache"
 else
     VERSION="--version-script ${SCRIPT_DIR}/P4version.pm,--local-edit${MD5_OPT}"