Fix incorrect line number reporting in errors/warnings after parsing macro invocations with parameters given over more than one line.

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@12214 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/test-suite/errors/pp_macro_expansion_multiline.i

@@ -0,0 +1,32 @@
+%module xxx
+// Testing macros split over multiple lines - ensure the warning message for the ignored functions contain the correct line numbering
+
+#define MYMACRO(NAME, A, B, C) void NAME(int A, int B, int C);
+
+MYMACRO(funk, x,
+y,
+
+z
+)
+
+void foo(int *);
+void foo(const int *);
+
+%define MYSWIGMACRO(A, B, C)
+MYMACRO(funk1, 
+        AA,
+        BB,
+        CC)
+MYMACRO(funk2, 
+        AA, 
+        BB, 
+        CC)
+%enddef
+
+MYSWIGMACRO(xx,
+ yy,
+ zz)
+
+void bar(int *);
+void bar(const int *);
+