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Diffstat (limited to 'Build/source/texk/dvipsk/resident.c')
-rw-r--r--Build/source/texk/dvipsk/resident.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/Build/source/texk/dvipsk/resident.c b/Build/source/texk/dvipsk/resident.c
index 2212fe7b554..a7b496d8cda 100644
--- a/Build/source/texk/dvipsk/resident.c
+++ b/Build/source/texk/dvipsk/resident.c
@@ -642,7 +642,7 @@ case 'R':
lastresortsizes[i] = 32000;
#else /* KPATHSEA */
for (p = was_inline + 1; *p; p++) {
- if (isblank (*p)) {
+ if (isblank ((unsigned char)*p)) {
*p = ':';
}
}