Fixed a couple places that missed the error check for #else/#elif after #else.

git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@24378 e7fa87d3-cd2b-0410-9028-fcbf551c1848

Test/baseResults/cppNest.vert.out

@@ -1,6 +1,12 @@
 cppNest.vert
+ERROR: 0:144: '#elif' : #elif after #else 
+ERROR: 0:152: '#else' : #else after #else 
+ERROR: 0:161: '#elif' : #elif after #else 
+ERROR: 0:169: '#else' : #else after #else 
+ERROR: 4 compilation errors.  No code generated.
 
-0:? Sequence
+
+ERROR: node is still EOpNull!
 0:5  Sequence
 0:5    move second child to first child (float)
 0:5      'sum' (float)

Test/baseResults/cppSimple.vert.out

@@ -31,7 +31,7 @@ ERROR: 0:143: '#define' : can't use with built-in names (containing consecutive
 ERROR: 0:144: '#define' : can't use with built-in names (containing consecutive underscores) 
 ERROR: 0:145: '#define' : can't use with built-in names (containing consecutive underscores) 
 ERROR: 0:148: '#else' : unexpected tokens following directive 
-ERROR: 0:149: '#else' : #elif after #else 
+ERROR: 0:149: '#elif' : #elif after #else 
 ERROR: 0:155: '#else' : unexpected tokens following directive 
 ERROR: 0:158: '#else' : #else after #else 
 ERROR: 0:160: '#endif' : unexpected tokens following directive 

Test/cppNest.vert

@@ -134,3 +134,39 @@ sum += 600000.0;
         #endif
     #endif
 #endif
+
+// ERROR cases...
+
+#if 0
+int;
+#else
+int;
+#elif 1
+int;
+#endif
+
+#if 0
+int;
+#else
+int;
+#else
+int;
+#endif
+
+#if 0
+    #if 0
+    int;
+    #else
+    int;
+    #elif 1
+    int;
+    #endif
+
+    #if 0
+    int;
+    #else
+    int;
+    #else
+    int;
+    #endif
+#endif