configure: simplify STRIP setting in config.mak

Originally committed as revision 20423 to svn://svn.ffmpeg.org/ffmpeg/trunk

configure

@@ -2648,6 +2648,8 @@ echo "License: $license"
 
 echo "Creating config.mak and config.h..."
 
+enabled stripping || strip="echo skipping strip"
+
 echo "# Automatically generated by configure - do not modify!" > config.mak
 echo "ifndef FFMPEG_CONFIG_MAK" >> config.mak
 echo "FFMPEG_CONFIG_MAK=1" >> config.mak
@@ -2671,10 +2673,7 @@ echo "YASM=$yasmexe" >> config.mak
 echo "AR=$ar" >> config.mak
 echo "RANLIB=$ranlib" >> config.mak
 echo "LN_S=$ln_s" >> config.mak
-enabled stripping &&
-    echo "STRIP=$strip" >> config.mak ||
-    echo "STRIP=echo ignoring strip" >> config.mak
-
+echo "STRIP=$strip" >> config.mak
 echo "CPPFLAGS=$CPPFLAGS" >> config.mak
 echo "CFLAGS=$CFLAGS" >> config.mak
 echo "ASFLAGS=$ASFLAGS" >> config.mak