C++: Fix formatting

Author: Dave Bartolomeo

cpp/ql/test/library-tests/arg_matching/arg_matching.ql

@@ -2,6 +2,5 @@ import cpp
 import semmle.code.cpp.ir.implementation.raw.internal.VarArgs
 
 from Call call, int argIndex, int paramIndex
-where
-    paramIndex = getParameterIndexForArgument(call, argIndex)
+where paramIndex = getParameterIndexForArgument(call, argIndex)
 select call, argIndex, paramIndex