configure, etc: switch to shebang without space

Note that the config.sh file is left without a shebang, this file is
supposed to be sourced into the current environment.

This commit is purely cosmetic.
Signed-off-by: J. Dekker <jdek@itanimul.li>

configure

@@ -4737,7 +4737,7 @@ chmod +x $TMPE
 
 # make sure we can execute files in $TMPDIR
 cat > $TMPSH 2>> $logfile <<EOF
-#! /bin/sh
+#!/bin/sh
 EOF
 chmod +x $TMPSH >> $logfile 2>&1
 if ! $TMPSH >> $logfile 2>&1; then

doc/texidep.pl

-#! /usr/bin/env perl
+#!/usr/bin/env perl
 
 # This script will print the dependency of a Texinfo file to stdout.
 # texidep.pl <src-path> <input.texi> <output.ext>

tests/fate-run.sh

-#! /bin/sh
+#!/bin/sh
 
 export LC_ALL=C
 

tests/fate.sh

-#! /bin/sh
+#!/bin/sh
 
 config=$1