Fix signatures of external functions in the f2c-generated C sources

lapack-netlib/SRC/zlaqhe.c

@@ -643,7 +643,7 @@ f"> */
 /* > \ingroup complex16HEauxiliary */
 
 /*  ===================================================================== */
-/* Subroutine */ int zlaqhe_(char *uplo, integer *n, doublecomplex *a, 
+/* Subroutine */ void zlaqhe_(char *uplo, integer *n, doublecomplex *a, 
 	integer *lda, doublereal *s, doublereal *scond, doublereal *amax, 
 	char *equed)
 {
@@ -680,7 +680,7 @@ f"> */
     /* Function Body */
     if (*n <= 0) {
 	*(unsigned char *)equed = 'N';
-	return 0;
+	return;
     }
 
 /*     Initialize LARGE and SMALL. */
@@ -745,7 +745,7 @@ f"> */
 	*(unsigned char *)equed = 'Y';
     }
 
-    return 0;
+    return;
 
 /*     End of ZLAQHE */