dev-lang/php: use "+=" consistently for appending to $my_conf.

There were a few places still using my_conf="${my_conf} ..." to append
to the my_conf variable. Update them all to use the "append" operator.

Gentoo-Bug: 551526

Package-Manager: portage-2.2.20.1

dev-lang/php/php-5.6.15.ebuild

@@ -403,7 +403,7 @@ src_configure() {
  # DBA support
  if use cdb || use berkdb || use flatfile || use gdbm || use inifile \
  || use qdbm ; then
- my_conf="${my_conf} --enable-dba${shared}"
+ my_conf+=" --enable-dba${shared}"
  fi
 
  # DBA drivers support
@@ -497,20 +497,20 @@ src_configure() {
  fi
 
  # Use pic for shared modules such as apache2's mod_php
- my_conf="${my_conf} --with-pic"
+ my_conf+=" --with-pic"
 
  # we use the system copy of pcre
  # --with-pcre-regex affects ext/pcre
  # --with-pcre-dir affects ext/filter and ext/zip
- my_conf="${my_conf} --with-pcre-regex=${EPREFIX}/usr --with-pcre-dir=${EPREFIX}/usr"
+ my_conf+=" --with-pcre-regex=${EPREFIX}/usr --with-pcre-dir=${EPREFIX}/usr"
 
  # Catch CFLAGS problems
  # Fixes bug #14067.
  # Changed order to run it in reverse for bug #32022 and #12021.
  replace-cpu-flags "k6*" "i586"
 
  # Support user-passed configuration parameters
- my_conf="${my_conf} ${EXTRA_ECONF:-}"
+ my_conf+=" ${EXTRA_ECONF:-}"
 
  # Support the Apache2 extras, they must be set globally for all
  # SAPIs to work correctly, especially for external PHP extensions

dev-lang/php/php-7.0.0_rc5.ebuild

@@ -384,7 +384,7 @@ src_configure() {
  # DBA support
  if use cdb || use berkdb || use flatfile || use gdbm || use inifile \
  || use qdbm ; then
- my_conf="${my_conf} --enable-dba${shared}"
+ my_conf+=" --enable-dba${shared}"
  fi
 
  # DBA drivers support
@@ -473,20 +473,20 @@ src_configure() {
  fi
 
  # Use pic for shared modules such as apache2's mod_php
- my_conf="${my_conf} --with-pic"
+ my_conf+=" --with-pic"
 
  # we use the system copy of pcre
  # --with-pcre-regex affects ext/pcre
  # --with-pcre-dir affects ext/filter and ext/zip
- my_conf="${my_conf} --with-pcre-regex=${EPREFIX}/usr --with-pcre-dir=${EPREFIX}/usr"
+ my_conf+=" --with-pcre-regex=${EPREFIX}/usr --with-pcre-dir=${EPREFIX}/usr"
 
  # Catch CFLAGS problems
  # Fixes bug #14067.
  # Changed order to run it in reverse for bug #32022 and #12021.
  replace-cpu-flags "k6*" "i586"
 
  # Support user-passed configuration parameters
- my_conf="${my_conf} ${EXTRA_ECONF:-}"
+ my_conf+=" ${EXTRA_ECONF:-}"
 
  # Support the Apache2 extras, they must be set globally for all
  # SAPIs to work correctly, especially for external PHP extensions