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Diffstat (limited to 'Build/source/texk/dvipdfm-x/otl_conf.c')
-rw-r--r--Build/source/texk/dvipdfm-x/otl_conf.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/Build/source/texk/dvipdfm-x/otl_conf.c b/Build/source/texk/dvipdfm-x/otl_conf.c
index 1cb5a69d4ed..bb1f0f04b30 100644
--- a/Build/source/texk/dvipdfm-x/otl_conf.c
+++ b/Build/source/texk/dvipdfm-x/otl_conf.c
@@ -367,7 +367,7 @@ parse_block (pdf_obj *gclass, const char **pp, const char *endptr)
tmp = NEW(len+1, char);
memset(tmp, 0, len+1);
for (i = 0; i < len; i++) {
- if (!isspace(**pp))
+ if (!isspace((unsigned char)**pp))
tmp[i] = **pp;
(*pp)++;
}