Remove a bunch of unused variables spotted by Ubuntu 12.04's gcc.

[originally from svn r9478]

4 files changed, 2 insertions, 9 deletions

diff --git a/bk_paper.c b/bk_paper.c
index 531600c..e70ecf7 100644
--- a/bk_paper.c
+++ b/bk_paper.c
@@ -1715,7 +1715,6 @@ static void wrap_paragraph(para_data *pdata, word *words,
 
     for (p = wrapping; p; p = p->next) {
 	line_data *ldata;
-	word *wd;
 	int len, wid, spaces;
 
 	ldata = snew(line_data);
@@ -1740,7 +1739,6 @@ static void wrap_paragraph(para_data *pdata, word *words,
 	spaces = 0;
 	len = paper_width_list(&ctx, ldata->first, ldata->end, &spaces);
 	wid = (p == wrapping ? w - i1 : w - i2);
-	wd = ldata->first;
 
 	ldata->hshortfall = wid - len;
 	ldata->nspaces = spaces;
diff --git a/bk_pdf.c b/bk_pdf.c
index 525e7d9..6daebc6 100644
--- a/bk_pdf.c
+++ b/bk_pdf.c
@@ -50,7 +50,6 @@ void pdf_backend(paragraph *sourceform, keywordlist *keywords,
     int font_index;
     font_encoding *fe;
     page_data *page;
-    int pageno;
     FILE *fp;
     char *filename;
     paragraph *p;
@@ -427,7 +426,6 @@ void pdf_backend(paragraph *sourceform, keywordlist *keywords,
     /*
      * Create and render the individual pages.
      */
-    pageno = 0;
     for (page = doc->pages; page; page = page->next) {
 	object *opage, *cstr;
 	rect *r;
diff --git a/in_afm.c b/in_afm.c
index b2aacae..559bb5d 100644
--- a/in_afm.c
+++ b/in_afm.c
@@ -229,14 +229,12 @@ void read_afm_file(input *in) {
 	} else if (strcmp(key, "StartKernPairs") == 0 ||
 		   strcmp(key, "StartKernPairs0") == 0) {
 	    int nkerns, i;
-	    kern_pair *kerns;
 	    if (!(val = strtok(NULL, " \t"))) {
 		error(err_afmval, &in->pos, key, 1);
 		goto giveup;
 	    }
 	    nkerns = atoi(val);
 	    sfree(line);
-	    kerns = snewn(nkerns, kern_pair);
 	    for (i = 0; i < nkerns; i++) {
 		line = afm_read_line(in);
 		if (line == NULL)
diff --git a/wcwidth.c b/wcwidth.c
index 269359f..bc4ae7f 100644
--- a/wcwidth.c
+++ b/wcwidth.c
@@ -144,13 +144,12 @@ int ustrwid(wchar_t const *s, int charset)
     wid = 0;
 
     while (len > 0) {
-	int err, ret;
+	int err;
 	wchar_t const *s_orig;
 
 	err = 0;
 	s_orig = s;
-	ret = charset_from_unicode(&s, &len, buf, lenof(buf),
-				   charset, &state, &err);
+        charset_from_unicode(&s, &len, buf, lenof(buf), charset, &state, &err);
 	wid += wcswidth(s_orig, s - s_orig);
 	if (err) {
 	    assert(len > 0 && *s);