Merge branch 'gt/unit-test-strcmp-offset'

The strcmp-offset tests have been rewritten using the unit test
framework.

* gt/unit-test-strcmp-offset:
  t/: port helper/test-strcmp-offset.c to unit-tests/t-strcmp-offset.c

diff --cc Makefile
index 8f4432ae57cdd0414720ea51779be89affe28cee,1afa112706ee2777801df91f4f2215995098996c..59d98ba688f1780d9d49be0aced214c9c6ab58fd
--- 1/Makefile
--- 2/Makefile
+++ b/Makefile
@@@ -1334,11 -1333,11 +1333,12 @@@ THIRD_PARTY_SOURCES += compat/regex/
  THIRD_PARTY_SOURCES += sha1collisiondetection/%
  THIRD_PARTY_SOURCES += sha1dc/%
  
 -UNIT_TEST_PROGRAMS += t-mem-pool
 -UNIT_TEST_PROGRAMS += t-strbuf
  UNIT_TEST_PROGRAMS += t-ctype
 +UNIT_TEST_PROGRAMS += t-mem-pool
  UNIT_TEST_PROGRAMS += t-prio-queue
 +UNIT_TEST_PROGRAMS += t-strbuf
+ UNIT_TEST_PROGRAMS += t-strcmp-offset
 +UNIT_TEST_PROGRAMS += t-trailer
  UNIT_TEST_PROGS = $(patsubst %,$(UNIT_TEST_BIN)/%$X,$(UNIT_TEST_PROGRAMS))
  UNIT_TEST_OBJS = $(patsubst %,$(UNIT_TEST_DIR)/%.o,$(UNIT_TEST_PROGRAMS))
  UNIT_TEST_OBJS += $(UNIT_TEST_DIR)/test-lib.o