$OpenBSD$

Remove -O3 and -Werror.

Index: dooble.pro
--- dooble.pro.orig
+++ dooble.pro
@@ -276,12 +276,11 @@ QMAKE_CXXFLAGS_RELEASE += -O3 \
 QMAKE_CXXFLAGS_RELEASE -= -O2
 } else:win32 {
 } else {
-QMAKE_CXXFLAGS_RELEASE += -O3 \
+QMAKE_CXXFLAGS_RELEASE += \
                           -Wall \
                           -Wcast-align \
                           -Wcast-qual \
                           -Wdouble-promotion \
-                          -Werror \
                           -Wextra \
                           -Wformat-overflow=2 \
                           -Wformat-truncation=2 \
@@ -301,7 +300,6 @@ QMAKE_CXXFLAGS_RELEASE += -O3 \
                           -pedantic \
                           -pie \
                           -std=c++17
-QMAKE_CXXFLAGS_RELEASE -= -O2
 }
 
 QMAKE_DISTCLEAN += -r qtwebengine_dictionaries \
