Revert "[DOC] Remove unnecessary require" [ci skip]

This reverts commit bf01f6a, that was
an accidental commit by mistake.

Author: nobu

.git-blame-ignore-revs

@@ -14,6 +14,7 @@ d1474affa8e105bece209cc9d594bb0a989859e1
 
 # Indentation
 0e4bad888e605d424b9222ae0ca43f85c1634e5e
+61aa46c41648c6d1e9b0daa1a292de551fde78df
 
 # Enable Style/StringLiterals cop for RubyGems/Bundler
 d7ffd3fea402239b16833cc434404a7af82d44f3
@@ -42,6 +43,7 @@ d4e24021d39e1f80f0055b55d91f8d5f22e15084
 e90282be7ba1bc8e3119f6e1a2c80356ceb3f80a
 26a9e0b4e31f7b5a9cbd755e0a15823a8fa51bae
 2f53985da9ee593fe524d408256835667938c7d7
+bf01f6ae89a95d8f5572e050facfe311c8c28aaf
 
 # Win32: EOL code of batch files
 23f9a0d655c4d405bb2397a147a1523436205486

string.c

@@ -11122,48 +11122,48 @@ rb_str_justify(int argc, VALUE *argv, VALUE str, char jflag)
     rlen = n - llen;
     cr = ENC_CODERANGE(str);
     if (flen > 1) {
-       llen2 = str_offset(f, f + flen, llen % fclen, enc, singlebyte);
-       rlen2 = str_offset(f, f + flen, rlen % fclen, enc, singlebyte);
+        llen2 = str_offset(f, f + flen, llen % fclen, enc, singlebyte);
+        rlen2 = str_offset(f, f + flen, rlen % fclen, enc, singlebyte);
     }
     size = RSTRING_LEN(str);
     if ((len = llen / fclen + rlen / fclen) >= LONG_MAX / flen ||
-       (len *= flen) >= LONG_MAX - llen2 - rlen2 ||
-       (len += llen2 + rlen2) >= LONG_MAX - size) {
-       rb_raise(rb_eArgError, "argument too big");
+        (len *= flen) >= LONG_MAX - llen2 - rlen2 ||
+        (len += llen2 + rlen2) >= LONG_MAX - size) {
+        rb_raise(rb_eArgError, "argument too big");
     }
     len += size;
     res = str_enc_new(rb_cString, 0, len, enc);
     p = RSTRING_PTR(res);
     if (flen <= 1) {
-       memset(p, *f, llen);
-       p += llen;
+        memset(p, *f, llen);
+        p += llen;
     }
     else {
-       while (llen >= fclen) {
+        while (llen >= fclen) {
             memcpy(p,f,flen);
             p += flen;
             llen -= fclen;
         }
-       if (llen > 0) {
-           memcpy(p, f, llen2);
-           p += llen2;
+        if (llen > 0) {
+            memcpy(p, f, llen2);
+            p += llen2;
         }
     }
     memcpy(p, RSTRING_PTR(str), size);
     p += size;
     if (flen <= 1) {
-       memset(p, *f, rlen);
-       p += rlen;
+        memset(p, *f, rlen);
+        p += rlen;
     }
     else {
-       while (rlen >= fclen) {
+        while (rlen >= fclen) {
             memcpy(p,f,flen);
             p += flen;
             rlen -= fclen;
         }
-       if (rlen > 0) {
-           memcpy(p, f, rlen2);
-           p += rlen2;
+        if (rlen > 0) {
+            memcpy(p, f, rlen2);
+            p += rlen2;
         }
     }
     TERM_FILL(p, termlen);