Capitalize the initial letter of the error message of htmlspecialchars() function

Author: kocsismate

ext/standard/html.c

@@ -452,7 +452,7 @@ static enum entity_charset determine_charset(char *charset_hint)
 			}
 		}
 		if (!found) {
-			php_error_docref(NULL, E_WARNING, "charset `%s' not supported, assuming utf-8",
+			php_error_docref(NULL, E_WARNING, "Charset `%s' not supported, assuming utf-8",
 					charset_hint);
 		}
 	}

ext/standard/tests/strings/bug44703.phpt

@@ -22,25 +22,25 @@ var_dump(htmlspecialchars("<>", ENT_COMPAT, str_repeat('a', 100)));
 
 ?>
 --EXPECTF--
-Warning: htmlspecialchars(): charset `1' not supported, assuming utf-8 in %s on line %d
+Warning: htmlspecialchars(): Charset `1' not supported, assuming utf-8 in %s on line %d
 string(35) "&lt;a href='test'&gt;Test&lt;/a&gt;"
 
-Warning: htmlspecialchars(): charset `12' not supported, assuming utf-8 in %s on line %d
+Warning: htmlspecialchars(): Charset `12' not supported, assuming utf-8 in %s on line %d
 string(35) "&lt;a href='test'&gt;Test&lt;/a&gt;"
 
-Warning: htmlspecialchars(): charset `125' not supported, assuming utf-8 in %s on line %d
+Warning: htmlspecialchars(): Charset `125' not supported, assuming utf-8 in %s on line %d
 string(35) "&lt;a href='test'&gt;Test&lt;/a&gt;"
 string(35) "&lt;a href='test'&gt;Test&lt;/a&gt;"
 
-Warning: htmlspecialchars(): charset `12526' not supported, assuming utf-8 in %s on line %d
+Warning: htmlspecialchars(): Charset `12526' not supported, assuming utf-8 in %s on line %d
 string(35) "&lt;a href='test'&gt;Test&lt;/a&gt;"
 string(8) "&lt;&gt;"
 
-Warning: htmlspecialchars(): charset `8666' not supported, assuming utf-8 in %s on line %d
+Warning: htmlspecialchars(): Charset `8666' not supported, assuming utf-8 in %s on line %d
 string(8) "&lt;&gt;"
 string(8) "&lt;&gt;"
 string(8) "&lt;&gt;"
 string(8) "&lt;&gt;"
 
-Warning: htmlspecialchars(): charset `aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa' not supported, assuming utf-8 in %s on line %d
+Warning: htmlspecialchars(): Charset `aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa' not supported, assuming utf-8 in %s on line %d
 string(8) "&lt;&gt;"