Mold the redbean binary to minimize page faults

This change brings page faults for precompressed static asset serving
down from 27 to 20 (or fewer) after fork. This is more of an art than
science. Hopefully Blinkenlights can visualize page faults soon.

libc/str/strstr.c

@@ -16,7 +16,6 @@
 │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/bits/safemacros.internal.h"
 #include "libc/str/str.h"
 
 /**
@@ -30,8 +29,13 @@
  */
 char *strstr(const char *haystack, const char *needle) {
   size_t i;
-  if (!*needle) return haystack;
-  haystack = firstnonnull(strchr(haystack, *needle), haystack);
+  const char *p;
+  if (!needle[0]) return haystack;
+  if (haystack == needle) return haystack;
+  p = strchr(haystack, needle[0]);
+  if (!needle[1]) return p;
+  if (p) haystack = p;
+  /* TODO: make not quadratic */
   for (;;) {
     for (i = 0;;) {
       if (!needle[i]) return (/*unconst*/ char *)haystack;