fix stack overflow

src/lib/yac/clapack/SRC/ilaenv.c

@@ -37,13 +37,14 @@ integer ilaenv_(integer *ispec, char *name__, char *opts, integer *n1,
 
     /* Local variables */
     integer i__;
-    char c1[1], c2[1], c3[1], c4[1];
+    // 2025/02/17 US: fix stack overflow
+    char c1[4], c2[4], c3[4], c4[4];
     integer ic, nb, iz, nx;
     logical cname;
     integer nbmin;
     logical sname;
     extern integer ieeeck_(integer *, real *, real *);
-    char subnam[1];
+    char subnam[4];
     extern integer iparmq_(integer *, char *, char *, integer *, integer *, 
 	    integer *, integer *);