Add support for #pragma foo(bar)

Report unsupported/unknown preprocessor directives.
Report line number of error rather than character offset.
diff --git a/libacc/tests/testlocal b/libacc/tests/testlocal
index a76322b..547aed5 100755
--- a/libacc/tests/testlocal
+++ b/libacc/tests/testlocal
@@ -8,8 +8,8 @@
 
   if [ "$(uname)" = "Linux" ]; then
     if [ "$(uname -m)" = "i686" ]; then
-      echo "Linux i686. Testing otcc.c"
-      ./test-acc data/otcc.c data/otcc.c data/returnval.c
+      echo "Linux i686. Testing otcc-noinclude.c"
+      ./test-acc data/otcc-noinclude.c data/otcc.c data/returnval.c
     fi
   fi
 fi