update erf.c

 Developer Certificate of Origin
 Version 1.1

 Copyright (C) 2004, 2006 The Linux Foundation and its contributors.
 660 York Street, Suite 102,
 San Francisco, CA 94110 USA

 Everyone is permitted to copy and distribute verbatim copies of this
 license document, but changing it is not allowed.

 Developer's Certificate of Origin 1.1

 By making a contribution to this project, I certify that:

(a) The contribution was created in whole or in part by me and I
     have the right to submit it under the open source license
    indicated in the file; or

 (b) The contribution is based upon previous work that, to the best
     of my knowledge, is covered under an appropriate open source
     license and I have the right under that license to submit that
     work with modifications, whether created in whole or in part
     by me, under the same open source license (unless I am
     permitted to submit under a different license), as indicated
     in the file; or

 (c) The contribution was provided directly to me by some other
     person who certified (a), (b) or (c) and I have not modified
     it.

 (d) I understand and agree that this project and the contribution
     are public and that a record of the contribution (including all
     personal information I submit with it, including my sign-off) is
     maintained indefinitely and may be redistributed consistent with
     this project or the open source license(s) involved.

    Signed-off-by: Adam Szewczyk <[email protected]>

src/math/p_erf.c

@@ -1,46 +1,7 @@
 #include <pal.h>
 /**
 *
-* Developer Certificate of Origin
-* Version 1.1
-*
-* Copyright (C) 2004, 2006 The Linux Foundation and its contributors.
-* 660 York Street, Suite 102,
-* San Francisco, CA 94110 USA
-*
-* Everyone is permitted to copy and distribute verbatim copies of this
-* license document, but changing it is not allowed.
-*
-* Developer's Certificate of Origin 1.1
-*
-* By making a contribution to this project, I certify that:
-*
-* (a) The contribution was created in whole or in part by me and I
-*     have the right to submit it under the open source license
-*     indicated in the file; or
-*
-* (b) The contribution is based upon previous work that, to the best
-*     of my knowledge, is covered under an appropriate open source
-*     license and I have the right under that license to submit that
-*     work with modifications, whether created in whole or in part
-*     by me, under the same open source license (unless I am
-*     permitted to submit under a different license), as indicated
-*     in the file; or
-*
-* (c) The contribution was provided directly to me by some other
-*     person who certified (a), (b) or (c) and I have not modified
-*     it.
-*
-* (d) I understand and agree that this project and the contribution
-*     are public and that a record of the contribution (including all
-*     personal information I submit with it, including my sign-off) is
-*     maintained indefinitely and may be redistributed consistent with
-*     this project or the open source license(s) involved.
-*
-*     Signed-off-by: Adam Szewczyk <[email protected]>
-* 
-* Calculate error function.
-*
+* Calculate error function
 *
 * @param a     Pointer to input vector
 *
@@ -52,7 +13,6 @@
 *
 */
 
-
 void p_erf_f32(const float *a, float *c, int n)
 
 {