patch 7.4.893

Problem:    C indenting is wrong below a "case (foo):" because it is
            recognized as a C++ base class construct.  Issue #38.
Solution:   Check for the case keyword.

src/testdir/test3.in

@@ -932,6 +932,33 @@ if (1)
 a = 1;
 }
 
+void func()
+{
+switch (foo)
+{
+case (bar):
+if (baz())
+quux();
+break;
+case (shmoo):
+if (!bar)
+{
+}
+case (foo1):
+switch (bar)
+{
+case baz:
+baz_f();
+break;
+}
+break;
+default:
+baz();
+baz();
+break;
+}
+}
+
 /* end of AUTO */
 
 STARTTEST

src/testdir/test3.ok

@@ -920,6 +920,33 @@ void getstring() {
 		a = 1;
 }
 
+void func()
+{
+	switch (foo)
+	{
+		case (bar):
+			if (baz())
+				quux();
+			break;
+		case (shmoo):
+			if (!bar)
+			{
+			}
+		case (foo1):
+			switch (bar)
+			{
+				case baz:
+					baz_f();
+					break;
+			}
+			break;
+		default:
+			baz();
+			baz();
+			break;
+	}
+}
+
 /* end of AUTO */