[master] Removed unused gzio.c from contrib/pngminim gather and makefile

scripts.  This is necessary when libz is updated to version 1.2.4.

contrib/pngminim/decoder/gather.sh

@@ -5,4 +5,4 @@ rm example.c pngtest.c pngpread.c pngw*.c
 # change the following 2 lines if zlib is somewhere else
 cp ../../../../zlib/*.h .
 cp ../../../../zlib/*.c .
-rm minigzip.c example.c compress.c deflate.c 
+rm minigzip.c example.c compress.c deflate.c gz*

contrib/pngminim/decoder/makefile

@@ -15,7 +15,7 @@ O=.o
 L=.a
 E=
 
-ZOBJS  = adler32$(O) crc32$(O) gzio$(O) \
+ZOBJS  = adler32$(O) crc32$(O) \
 	 infback$(O) inffast$(O) inflate$(O) inftrees$(O) \
 	 trees$(O) uncompr$(O) zutil$(O)
 

contrib/pngminim/encoder/gather.sh

@@ -6,4 +6,4 @@ rm example.c pngtest.c pngr*.c pngpread.c
 cp ../../../../zlib/*.h .
 cp ../../../../zlib/*.c .
 rm inf*.[ch]
-rm minigzip.c example.c
+rm minigzip.c example.c gz*

contrib/pngminim/encoder/makefile

@@ -14,7 +14,7 @@ O=.o
 L=.a
 E=
 
-ZOBJS  = adler32$(O) compress$(O) crc32$(O) deflate$(O) gzio$(O) \
+ZOBJS  = adler32$(O) compress$(O) crc32$(O) deflate$(O) \
 	 dummy_inflate$(O) \
 	 trees$(O) uncompr$(O) zutil$(O)
 

contrib/pngminim/preader/gather.sh

@@ -6,4 +6,4 @@ rm example.c pngtest.c pngw*.c
 # change the following 2 lines if zlib is somewhere else
 cp ../../../../zlib/*.h .
 cp ../../../../zlib/*.c .
-rm minigzip.c example.c compress.c deflate.c 
+rm minigzip.c example.c compress.c deflate.c gz*

contrib/pngminim/preader/makefile

@@ -31,7 +31,7 @@ O=.o
 L=.a
 E=
 
-ZOBJS  = adler32$(O) crc32$(O) gzio$(O) \
+ZOBJS  = adler32$(O) crc32$(O) \
 	 infback$(O) inffast$(O) inflate$(O) inftrees$(O) \
 	 trees$(O) uncompr$(O) zutil$(O)