Fix some spelling errors in the documentation

Author: Daniel Gustafsson <daniel@yesql.se>

doc/src/sgml/libpq.sgml

@@ -8080,7 +8080,7 @@ main(int argc, char **argv)
         exit_nicely(conn);
     }
 
-    /* Set always-secure search path, so malicous users can't take control. */
+    /* Set always-secure search path, so malicious users can't take control. */
     res = PQexec(conn,
                  "SELECT pg_catalog.set_config('search_path', '', false)");
     if (PQresultStatus(res) != PGRES_TUPLES_OK)
@@ -8250,7 +8250,7 @@ main(int argc, char **argv)
         exit_nicely(conn);
     }
 
-    /* Set always-secure search path, so malicous users can't take control. */
+    /* Set always-secure search path, so malicious users can't take control. */
     res = PQexec(conn,
                  "SELECT pg_catalog.set_config('search_path', '', false)");
     if (PQresultStatus(res) != PGRES_TUPLES_OK)
@@ -8477,7 +8477,7 @@ main(int argc, char **argv)
         exit_nicely(conn);
     }
 
-    /* Set always-secure search path, so malicous users can't take control. */
+    /* Set always-secure search path, so malicious users can't take control. */
     res = PQexec(conn, "SET search_path = testlibpq3");
     if (PQresultStatus(res) != PGRES_COMMAND_OK)
     {

doc/src/sgml/lobj.sgml

@@ -899,7 +899,7 @@ main(int argc, char **argv)
         exit_nicely(conn);
     }
 
-    /* Set always-secure search path, so malicous users can't take control. */
+    /* Set always-secure search path, so malicious users can't take control. */
     res = PQexec(conn,
                  "SELECT pg_catalog.set_config('search_path', '', false)");
     if (PQresultStatus(res) != PGRES_TUPLES_OK)