more clean-up of headers/footers

src/stream/chacha/chacha_crypt.c

@@ -93,3 +93,7 @@ int chacha_crypt(chacha_state *st, const unsigned char *in, unsigned long inlen,
 }
 
 #endif
+
+/* ref:         $Format:%D$ */
+/* git commit:  $Format:%H$ */
+/* commit time: $Format:%ai$ */

src/stream/chacha/chacha_done.c

@@ -24,3 +24,7 @@ int chacha_done(chacha_state *st)
 }
 
 #endif
+
+/* ref:         $Format:%D$ */
+/* git commit:  $Format:%H$ */
+/* commit time: $Format:%ai$ */

src/stream/chacha/chacha_ivctr32.c

@@ -41,3 +41,7 @@ int chacha_ivctr32(chacha_state *st, const unsigned char *iv, unsigned long ivle
 }
 
 #endif
+
+/* ref:         $Format:%D$ */
+/* git commit:  $Format:%H$ */
+/* commit time: $Format:%ai$ */

src/stream/chacha/chacha_ivctr64.c

@@ -41,3 +41,7 @@ int chacha_ivctr64(chacha_state *st, const unsigned char *iv, unsigned long ivle
 }
 
 #endif
+
+/* ref:         $Format:%D$ */
+/* git commit:  $Format:%H$ */
+/* commit time: $Format:%ai$ */

src/stream/chacha/chacha_keystream.c

@@ -32,3 +32,7 @@ int chacha_keystream(chacha_state *st, unsigned char *out, unsigned long outlen)
 }
 
 #endif
+
+/* ref:         $Format:%D$ */
+/* git commit:  $Format:%H$ */
+/* commit time: $Format:%ai$ */

src/stream/chacha/chacha_setup.c

@@ -59,3 +59,7 @@ int chacha_setup(chacha_state *st, const unsigned char *key, unsigned long keyle
 }
 
 #endif
+
+/* ref:         $Format:%D$ */
+/* git commit:  $Format:%H$ */
+/* commit time: $Format:%ai$ */

src/stream/chacha/chacha_test.c

@@ -65,3 +65,7 @@ int chacha_test(void)
 }
 
 #endif
+
+/* ref:         $Format:%D$ */
+/* git commit:  $Format:%H$ */
+/* commit time: $Format:%ai$ */

src/stream/rc4/rc4.c

@@ -105,3 +105,7 @@ int rc4_stream_done(rc4_state *st)
 }
 
 #endif
+
+/* ref:         $Format:%D$ */
+/* git commit:  $Format:%H$ */
+/* commit time: $Format:%ai$ */

src/stream/rc4/rc4_test.c

@@ -33,3 +33,7 @@ int rc4_stream_test(void)
 }
 
 #endif
+
+/* ref:         $Format:%D$ */
+/* git commit:  $Format:%H$ */
+/* commit time: $Format:%ai$ */

src/stream/sober128/sober128.c

@@ -340,3 +340,7 @@ int sober128_stream_done(sober128_state *c)
 }
 
 #endif
+
+/* ref:         $Format:%D$ */
+/* git commit:  $Format:%H$ */
+/* commit time: $Format:%ai$ */

src/stream/sober128/sober128_test.c

@@ -47,3 +47,7 @@ int sober128_stream_test(void)
 }
 
 #endif
+
+/* ref:         $Format:%D$ */
+/* git commit:  $Format:%H$ */
+/* commit time: $Format:%ai$ */