more -Wall warning fixes from Cristian Ionescu-Idbohrn.
This time it resulted in small code changes: function old new delta nexpr 820 828 +8 tail_main 1200 1202 +2 wrapf 166 167 +1 parse_mount_options 227 209 -18 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 3/1 up/down: 11/-18) Total: -7 bytes
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@ -41,7 +41,7 @@ static void expand(FILE *file, unsigned tab_size, unsigned opt)
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char *line;
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char *ptr;
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int convert;
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int pos;
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unsigned pos;
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/* Increment tab_size by 1 locally.*/
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tab_size++;
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@ -80,7 +80,7 @@ static void unexpand(FILE *file, unsigned int tab_size, unsigned opt)
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int convert;
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int pos;
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int i = 0;
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int column = 0;
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unsigned column = 0;
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while ((line = xmalloc_fgets(file)) != NULL) {
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convert = 1;
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