Make zlib's 'make check' actually fail if test fails

Upstream: https://github.com/madler/zlib/pull/225

Signed-off-by: Alexey Neyman <stilor@att.net>

patches/zlib/1.2.11/100-make-check-fail.patch

@@ -0,0 +1,33 @@
+'make check' should return with non-zero status
+
+... if the test fails.
+
+--- zlib-1.2.11/Makefile.in.orig	2017-02-11 12:00:37.768094420 -0800
++++ zlib-1.2.11/Makefile.in	2017-02-11 12:01:02.088399001 -0800
+@@ -91,7 +91,7 @@
+ 	  echo '		*** zlib test OK ***'; \
+ 	else \
+ 	  echo '		*** zlib test FAILED ***'; false; \
+-	fi; \
++	fi
+ 	rm -f $$TMPST
+ 
+ testshared: shared
+@@ -104,7 +104,7 @@
+ 	  echo '		*** zlib shared test OK ***'; \
+ 	else \
+ 	  echo '		*** zlib shared test FAILED ***'; false; \
+-	fi; \
++	fi
+ 	rm -f $$TMPSH
+ 
+ test64: all64
+@@ -113,7 +113,7 @@
+ 	  echo '		*** zlib 64-bit test OK ***'; \
+ 	else \
+ 	  echo '		*** zlib 64-bit test FAILED ***'; false; \
+-	fi; \
++	fi
+ 	rm -f $$TMP64
+ 
+ infcover.o: $(SRCDIR)test/infcover.c $(SRCDIR)zlib.h zconf.h