Fix missing comma on continued line

EXTERNAL declaration of subroutines missed a comma before the continuation line,
causing a strange run-together name to appear in the object when compiled with ifort.

lapack-netlib/SRC/ssbev_2stage.f

@@ -239,7 +239,7 @@
       EXTERNAL           LSAME, SLAMCH, SLANSB, ILAENV
 *     ..
 *     .. External Subroutines ..
-      EXTERNAL           SLASCL, SSCAL, SSTEQR, SSTERF, XERBLA
+      EXTERNAL           SLASCL, SSCAL, SSTEQR, SSTERF, XERBLA,
      $                   SSYTRD_SB2ST 
 *     ..
 *     .. Intrinsic Functions ..

lapack-netlib/SRC/zhbev_2stage.f

@@ -247,7 +247,7 @@
       EXTERNAL           LSAME, DLAMCH, ZLANHB, ILAENV
 *     ..
 *     .. External Subroutines ..
-      EXTERNAL           DSCAL, DSTERF, XERBLA, ZLASCL, ZSTEQR
+      EXTERNAL           DSCAL, DSTERF, XERBLA, ZLASCL, ZSTEQR,
      $                   ZHETRD_2STAGE
 *     ..
 *     .. Intrinsic Functions ..