[xmp] Set instrument path

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>

src/main.c

@@ -231,6 +231,10 @@ int main(int argc, char **argv)
 
 	skipprev = 0;
 
+	if (options.ins_path) {
+		setenv("XMP_INSTRUMENT_PATH", options.ins_path, 1);
+	}
+
 	for (first = optind; optind < argc; optind++) {
 		if (options.verbose > 0) {
 			report("\nLoading %s... (%d of %d)\n",

src/xmp.1

@@ -189,13 +189,6 @@ random order\&:
 .IP "" 
 \f(CWxmp -R `find /mod -name "*\&.xm*" -print`\fP
 .PP 
-.SH "ENVIRONMENT" 
-.IP "\fBXMP_INSTRUMENT_PATH\fP" 
-Pathname to directory containing samples if not contained in the module\&.
-.PP 
-.IP "\fBXMP_MED2_INSTRUMENT_PATH\fP" 
-Overrides samples directory for the MED2 loader\&.
-.PP 
 .SH "FILES" 
 \f(CW/etc/xmp/xmp\&.conf\&, $HOME/\&.xmp/xmp\&.conf\&, /etc/xmp/modules\&.conf\&, $HOME/\&.xmp/modules\&.conf\fP
 .PP