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-rw-r--r--hints/hpux.sh2
1 files changed, 1 insertions, 1 deletions
diff --git a/hints/hpux.sh b/hints/hpux.sh
index 410a013d17..6ee7cdffbd 100644
--- a/hints/hpux.sh
+++ b/hints/hpux.sh
@@ -768,7 +768,7 @@ i_dbm=undef
# In HP-UXes prior to 11.23 strtold() returned a HP-UX
# specific union called long_double, not a C99 long double.
-case "`grep "double strtold.const" /usr/include/stdlib.h`" in
+case "`grep 'double strtold.const' /usr/include/stdlib.h`" in
*"long double strtold"*) ;; # strtold should be safe.
*) echo "Looks like your strtold() is non-standard..." >&4
d_strtold=undef ;;