Updated reference tests

Author: czgdp1807

.gitignore

@@ -177,3 +177,4 @@ integration_tests/bindc_01
 integration_tests/bindc_01.c
 integration_tests/bindc_02
 integration_tests/bindc_02.c
+integration_tests/bindc_03

integration_tests/CMakeLists.txt

@@ -160,6 +160,8 @@ RUN(NAME test_c_interop_04   LABELS cpython llvm c
         EXTRAFILES test_c_interop_04b.c)
 RUN(NAME test_c_interop_05   LABELS llvm c
         EXTRAFILES test_c_interop_05b.c)
+RUN(NAME bindc_03   LABELS llvm
+        EXTRAFILES bindc_03b.c)
 RUN(NAME test_generics_01    LABELS cpython llvm)
 RUN(NAME test_cmath          LABELS cpython llvm)
 RUN(NAME test_complex        LABELS cpython llvm)