Rename redisassert to serverassert in comment (#142)

Signed-off-by: 0del <bany.y0599@gmail.com>

src/serverassert.c

@@ -1,8 +1,8 @@
-/* redisassert.c -- Implement the default _serverAssert and _serverPanic which 
+/* serverassert.c -- Implement the default _serverAssert and _serverPanic which 
  * simply print stack trace to standard error stream.
  * 
  * This file is shared by those modules that try to print some logs about stack trace 
- * but don't have their own implementations of functions in redisassert.h.
+ * but don't have their own implementations of functions in serverassert.h.
  *
  * ----------------------------------------------------------------------------
  *

src/serverassert.h

@@ -1,4 +1,4 @@
-/* redisassert.h -- Drop in replacements assert.h that prints the stack trace
+/* serverassert.h -- Drop in replacements assert.h that prints the stack trace
  *                  in the Redis logs.
  *
  * This file should be included instead of "assert.h" inside libraries used by